feat(curriculum): restore seed + solution to Chinese (#40683)

* feat(tools): add seed/solution restore script

* chore(curriculum): remove empty sections' markers

* chore(curriculum): add seed + solution to Chinese

* chore: remove old formatter

* fix: update getChallenges

parse translated challenges separately, without reference to the source

* chore(curriculum): add dashedName to English

* chore(curriculum): add dashedName to Chinese

* refactor: remove unused challenge property 'name'

* fix: relax dashedName requirement

* fix: stray tag

Remove stray `pre` tag from challenge file.

Signed-off-by: nhcarrigan <nhcarrigan@gmail.com>

Co-authored-by: nhcarrigan <nhcarrigan@gmail.com>

curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/basic-algorithm-scripting/boo-who.md

@@ -3,6 +3,7 @@ id: a77dbc43c33f39daa4429b4f
 title: 基本类型布尔值的检查
 challengeType: 5
 forumTopicId: 16000
+dashedName: boo-who
 ---
 
 # --description--
@@ -73,5 +74,24 @@ assert.strictEqual(booWho('true'), false);
 assert.strictEqual(booWho('false'), false);
 ```
 
+# --seed--
+
+## --seed-contents--
+
+```js
+function booWho(bool) {
+  return bool;
+}
+
+booWho(null);
+```
+
 # --solutions--
 
+```js
+function booWho(bool) {
+  return typeof bool === "boolean";
+}
+
+booWho(null);
+```

curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/basic-algorithm-scripting/chunky-monkey.md

@@ -3,6 +3,7 @@ id: a9bd25c716030ec90084d8a1
 title: 分割数组
 challengeType: 5
 forumTopicId: 16005
+dashedName: chunky-monkey
 ---
 
 # --description--
@@ -80,5 +81,30 @@ assert.deepEqual(chunkArrayInGroups([0, 1, 2, 3, 4, 5, 6, 7, 8], 2), [
 ]);
 ```
 
+# --seed--
+
+## --seed-contents--
+
+```js
+function chunkArrayInGroups(arr, size) {
+  return arr;
+}
+
+chunkArrayInGroups(["a", "b", "c", "d"], 2);
+```
+
 # --solutions--
 
+```js
+function chunkArrayInGroups(arr, size) {
+  let out = [];
+
+  for (let i = 0; i < arr.length; i += size) {
+    out.push(arr.slice(i, i + size));
+  }
+
+  return out;
+}
+
+chunkArrayInGroups(["a", "b", "c", "d"], 2);
+```

curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/basic-algorithm-scripting/confirm-the-ending.md

@@ -3,6 +3,7 @@ id: acda2fb1324d9b0fa741e6b5
 title: 检查字符串结尾
 challengeType: 5
 forumTopicId: 16006
+dashedName: confirm-the-ending
 ---
 
 # --description--
@@ -89,5 +90,24 @@ assert(confirmEnding('Abstraction', 'action') === true);
 assert(!/\.endsWith\(.*?\)\s*?;?/.test(code) && !/\['endsWith'\]/.test(code));
 ```
 
+# --seed--
+
+## --seed-contents--
+
+```js
+function confirmEnding(str, target) {
+  return str;
+}
+
+confirmEnding("Bastian", "n");
+```
+
 # --solutions--
 
+```js
+function confirmEnding(str, target) {
+  return str.substring(str.length - target.length) === target;
+}
+
+confirmEnding("Bastian", "n");
+```

curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/basic-algorithm-scripting/convert-celsius-to-fahrenheit.md

@@ -3,6 +3,7 @@ id: 56533eb9ac21ba0edf2244b3
 title: 将摄氏度转换为华氏度
 challengeType: 1
 forumTopicId: 16806
+dashedName: convert-celsius-to-fahrenheit
 ---
 
 # --description--
@@ -49,5 +50,27 @@ assert(convertToF(20) === 68);
 assert(convertToF(30) === 86);
 ```
 
+# --seed--
+
+## --seed-contents--
+
+```js
+function convertToF(celsius) {
+  let fahrenheit;
+  return fahrenheit;
+}
+
+convertToF(30);
+```
+
 # --solutions--
 
+```js
+function convertToF(celsius) {
+  let fahrenheit = celsius * 9/5 + 32;
+
+  return fahrenheit;
+}
+
+convertToF(30);
+```

curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/basic-algorithm-scripting/factorialize-a-number.md

@@ -3,6 +3,7 @@ id: a302f7aae1aa3152a5b413bc
 title: 计算整数的阶乘
 challengeType: 5
 forumTopicId: 16013
+dashedName: factorialize-a-number
 ---
 
 # --description--
@@ -49,5 +50,24 @@ assert(factorialize(20) === 2432902008176640000);
 assert(factorialize(0) === 1);
 ```
 
+# --seed--
+
+## --seed-contents--
+
+```js
+function factorialize(num) {
+  return num;
+}
+
+factorialize(5);
+```
+
 # --solutions--
 
+```js
+function factorialize(num) {
+  return num < 1 ? 1 : num * factorialize(num - 1);
+}
+
+factorialize(5);
+```

curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/basic-algorithm-scripting/falsy-bouncer.md

@@ -3,6 +3,7 @@ id: adf08ec01beb4f99fc7a68f2
 title: 过滤数组中的假值
 challengeType: 5
 forumTopicId: 16014
+dashedName: falsy-bouncer
 ---
 
 # --description--
@@ -13,7 +14,6 @@ JavaScript 中的假值有 `false`、`null`、`0`、`""`、`undefined`、`NaN`
 
 提示：可以考虑将每个值都转换为布尔值（boolean）。
 
-
 # --hints--
 
 `bouncer([7, "ate", "", false, 9])` 应返回 `[7, "ate", 9]`。
@@ -40,5 +40,24 @@ assert.deepEqual(bouncer([false, null, 0, NaN, undefined, '']), []);
 assert.deepEqual(bouncer([null, NaN, 1, 2, undefined]), [1, 2]);
 ```
 
+# --seed--
+
+## --seed-contents--
+
+```js
+function bouncer(arr) {
+  return arr;
+}
+
+bouncer([7, "ate", "", false, 9]);
+```
+
 # --solutions--
 
+```js
+function bouncer(arr) {
+  return arr.filter(e => e);
+}
+
+bouncer([7, "ate", "", false, 9]);
+```

curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/basic-algorithm-scripting/find-the-longest-word-in-a-string.md

@@ -3,6 +3,7 @@ id: a26cbbe9ad8655a977e1ceb5
 title: 找出字符串中的最长单词
 challengeType: 5
 forumTopicId: 16015
+dashedName: find-the-longest-word-in-a-string
 ---
 
 # --description--
@@ -63,5 +64,24 @@ assert(
 );
 ```
 
+# --seed--
+
+## --seed-contents--
+
+```js
+function findLongestWordLength(str) {
+  return str.length;
+}
+
+findLongestWordLength("The quick brown fox jumped over the lazy dog");
+```
+
 # --solutions--
 
+```js
+function findLongestWordLength(str) {
+  return str.split(' ').sort((a, b) => b.length - a.length)[0].length;
+}
+
+findLongestWordLength("The quick brown fox jumped over the lazy dog");
+```

curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/basic-algorithm-scripting/finders-keepers.md

@@ -3,6 +3,7 @@ id: a6e40f1041b06c996f7b2406
 title: 按参数过滤数组
 challengeType: 5
 forumTopicId: 16016
+dashedName: finders-keepers
 ---
 
 # --description--
@@ -33,5 +34,25 @@ assert.strictEqual(
 );
 ```
 
+# --seed--
+
+## --seed-contents--
+
+```js
+function findElement(arr, func) {
+  let num = 0;
+  return num;
+}
+
+findElement([1, 2, 3, 4], num => num % 2 === 0);
+```
+
 # --solutions--
 
+```js
+function findElement(arr, func) {
+  return arr.filter(func)[0];
+}
+
+findElement([1, 2, 3, 4], num => num % 2 === 0);
+```

curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/basic-algorithm-scripting/mutations.md

@@ -3,6 +3,7 @@ id: af2170cad53daa0770fabdea
 title: 比较字符串
 challengeType: 5
 forumTopicId: 16025
+dashedName: mutations
 ---
 
 # --description--
@@ -95,5 +96,28 @@ assert(mutation(['Tiger', 'Zebra']) === false);
 assert(mutation(['Noel', 'Ole']) === true);
 ```
 
+# --seed--
+
+## --seed-contents--
+
+```js
+function mutation(arr) {
+  return arr;
+}
+
+mutation(["hello", "hey"]);
+```
+
 # --solutions--
 
+```js
+function mutation(arr) {
+  let hash = Object.create(null);
+
+  arr[0].toLowerCase().split('').forEach(c => hash[c] = true);
+
+  return !arr[1].toLowerCase().split('').filter(c => !hash[c]).length;
+}
+
+mutation(["hello", "hey"]);
+```

curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/basic-algorithm-scripting/repeat-a-string-repeat-a-string.md

@@ -3,6 +3,7 @@ id: afcc8d540bea9ea2669306b6
 title: 重复输出字符串
 challengeType: 5
 forumTopicId: 16041
+dashedName: repeat-a-string-repeat-a-string
 ---
 
 # --description--
@@ -11,7 +12,6 @@ forumTopicId: 16041
 
 将一个给定的字符串 `str`（第一个参数）重复输出 `num`（第二个参数）次。如果 `num` 不是正数，返回空字符串。在这个挑战中，请不要使用 JavaScript 内置的 `.repeat()` 方法。
 
-
 # --hints--
 
 `repeatStringNumTimes("*", 3)` 应返回 `"***"`。
@@ -62,5 +62,25 @@ assert(!/\.repeat/g.test(code));
 assert(repeatStringNumTimes('abc', 0) === '');
 ```
 
+# --seed--
+
+## --seed-contents--
+
+```js
+function repeatStringNumTimes(str, num) {
+  return str;
+}
+
+repeatStringNumTimes("abc", 3);
+```
+
 # --solutions--
 
+```js
+function repeatStringNumTimes(str, num) {
+  if (num < 1) return '';
+  return num === 1 ? str : str + repeatStringNumTimes(str, num-1);
+}
+
+repeatStringNumTimes("abc", 3);
+```

curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/basic-algorithm-scripting/return-largest-numbers-in-arrays.md

@@ -3,6 +3,7 @@ id: a789b3483989747d63b0e427
 title: 找出多个数组中的最大数字
 challengeType: 5
 forumTopicId: 16042
+dashedName: return-largest-numbers-in-arrays
 ---
 
 # --description--
@@ -68,5 +69,24 @@ assert.deepEqual(
 );
 ```
 
+# --seed--
+
+## --seed-contents--
+
+```js
+function largestOfFour(arr) {
+  return arr;
+}
+
+largestOfFour([[4, 5, 1, 3], [13, 27, 18, 26], [32, 35, 37, 39], [1000, 1001, 857, 1]]);
+```
+
 # --solutions--
 
+```js
+function largestOfFour(arr) {
+  return arr.map(subArr => Math.max.apply(null, subArr));
+}
+
+largestOfFour([[4, 5, 1, 3], [13, 27, 18, 26], [32, 35, 37, 39], [1000, 1001, 857, 1]]);
+```

curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/basic-algorithm-scripting/reverse-a-string.md

@@ -3,6 +3,7 @@ id: a202eed8fc186c8434cb6d61
 title: 反转字符串
 challengeType: 5
 forumTopicId: 16043
+dashedName: reverse-a-string
 ---
 
 # --description--
@@ -39,5 +40,24 @@ assert(reverseString('Howdy') === 'ydwoH');
 assert(reverseString('Greetings from Earth') === 'htraE morf sgniteerG');
 ```
 
+# --seed--
+
+## --seed-contents--
+
+```js
+function reverseString(str) {
+  return str;
+}
+
+reverseString("hello");
+```
+
 # --solutions--
 
+```js
+function reverseString(str) {
+  return str.split('').reverse().join('');
+}
+
+reverseString("hello");
+```

curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/basic-algorithm-scripting/slice-and-splice.md

@@ -3,6 +3,7 @@ id: 579e2a2c335b9d72dd32e05c
 title: Slice 与 Splice
 challengeType: 5
 forumTopicId: 301148
+dashedName: slice-and-splice
 ---
 
 # --description--
@@ -62,4 +63,36 @@ frankenSplice(testArr1, testArr2, 1);
 assert.deepEqual(testArr2, ['a', 'b']);
 ```
 
+# --seed--
+
+## --after-user-code--
+
+```js
+let testArr1 = [1, 2];
+let testArr2 = ["a", "b"];
+```
+
+## --seed-contents--
+
+```js
+function frankenSplice(arr1, arr2, n) {
+  return arr2;
+}
+
+frankenSplice([1, 2, 3], [4, 5, 6], 1);
+```
+
 # --solutions--
+
+```js
+function frankenSplice(arr1, arr2, n) {
+  // It's alive. It's alive!
+  let result = arr2.slice();
+  for (let i = 0; i < arr1.length; i++) {
+    result.splice(n+i, 0, arr1[i]);
+  }
+  return result;
+}
+
+frankenSplice([1, 2, 3], [4, 5], 1);
+```

curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/basic-algorithm-scripting/title-case-a-sentence.md

@@ -3,6 +3,7 @@ id: ab6137d4e35944e21037b769
 title: 句中单词首字母大写
 challengeType: 5
 forumTopicId: 16088
+dashedName: title-case-a-sentence
 ---
 
 # --description--
@@ -40,5 +41,24 @@ assert(
 );
 ```
 
+# --seed--
+
+## --seed-contents--
+
+```js
+function titleCase(str) {
+  return str;
+}
+
+titleCase("I'm a little tea pot");
+```
+
 # --solutions--
 
+```js
+function titleCase(str) {
+  return str.split(' ').map(word => word.charAt(0).toUpperCase() + word.substring(1).toLowerCase()).join(' ');
+}
+
+titleCase("I'm a little tea pot");
+```

curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/basic-algorithm-scripting/truncate-a-string.md

@@ -3,6 +3,7 @@ id: ac6993d51946422351508a41
 title: 截断字符串
 challengeType: 5
 forumTopicId: 16089
+dashedName: truncate-a-string
 ---
 
 # --description--
@@ -63,5 +64,28 @@ assert(truncateString('A-', 1) === 'A...');
 assert(truncateString('Absolutely Longer', 2) === 'Ab...');
 ```
 
+# --seed--
+
+## --seed-contents--
+
+```js
+function truncateString(str, num) {
+  return str;
+}
+
+truncateString("A-tisket a-tasket A green and yellow basket", 8);
+```
+
 # --solutions--
 
+```js
+function truncateString(str, num) {
+  if (num >= str.length) {
+    return str;
+  }
+
+  return str.slice(0, num) + '...';
+}
+
+truncateString("A-tisket a-tasket A green and yellow basket", 8);
+```

curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/basic-algorithm-scripting/where-do-i-belong.md

@@ -3,6 +3,7 @@ id: a24c1a4622e3c05097f71d67
 title: 找出元素在排序后数组中的索引
 challengeType: 5
 forumTopicId: 16094
+dashedName: where-do-i-belong
 ---
 
 # --description--
@@ -111,5 +112,32 @@ assert(getIndexToIns([], 1) === 0);
 assert(typeof getIndexToIns([], 1) === 'number');
 ```
 
+# --seed--
+
+## --seed-contents--
+
+```js
+function getIndexToIns(arr, num) {
+  return num;
+}
+
+getIndexToIns([40, 60], 50);
+```
+
 # --solutions--
 
+```js
+function getIndexToIns(arr, num) {
+  arr = arr.sort((a, b) => a - b);
+
+  for (let i = 0; i < arr.length; i++) {
+    if (arr[i] >= num) {
+      return i;
+    }
+  }
+
+  return arr.length;
+}
+
+getIndexToIns([40, 60], 50);
+```

curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/basic-data-structures/access-an-arrays-contents-using-bracket-notation.md

@@ -3,6 +3,7 @@ id: 5a661e0f1068aca922b3ef17
 title: 使用方括号访问数组的元素
 challengeType: 1
 forumTopicId: 301149
+dashedName: access-an-arrays-contents-using-bracket-notation
 ---
 
 # --description--
@@ -61,5 +62,21 @@ assert.strictEqual(myArray[2], 'c');
 assert.strictEqual(myArray[3], 'd');
 ```
 
+# --seed--
+
+## --seed-contents--
+
+```js
+let myArray = ["a", "b", "c", "d"];
+// Only change code below this line
+
+// Only change code above this line
+console.log(myArray);
+```
+
 # --solutions--
 
+```js
+let myArray = ["a", "b", "c", "d"];
+myArray[1] = "e";
+```

curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/basic-data-structures/access-property-names-with-bracket-notation.md

@@ -3,6 +3,7 @@ id: 587d7b7c367417b2b2512b1a
 title: 使用方括号访问属性名称
 challengeType: 1
 forumTopicId: 301150
+dashedName: access-property-names-with-bracket-notation
 ---
 
 # --description--
@@ -59,5 +60,42 @@ assert.strictEqual(checkInventory('bananas'), 13);
 assert.strictEqual(checkInventory('strawberries'), 27);
 ```
 
+# --seed--
+
+## --seed-contents--
+
+```js
+let foods = {
+  apples: 25,
+  oranges: 32,
+  plums: 28,
+  bananas: 13,
+  grapes: 35,
+  strawberries: 27
+};
+
+function checkInventory(scannedItem) {
+  // Only change code below this line
+
+  // Only change code above this line
+}
+
+console.log(checkInventory("apples"));
+```
+
 # --solutions--
 
+```js
+let foods = {
+  apples: 25,
+  oranges: 32,
+  plums: 28,
+  bananas: 13,
+  grapes: 35,
+  strawberries: 27
+};
+
+function checkInventory(scannedItem) {
+  return foods[scannedItem];
+}
+```

curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/basic-data-structures/add-items-to-an-array-with-push-and-unshift.md

@@ -3,6 +3,7 @@ id: 587d78b2367417b2b2512b0e
 title: 使用 push() 和 unshift() 为数组添加元素
 challengeType: 1
 forumTopicId: 301151
+dashedName: add-items-to-an-array-with-push-and-unshift
 ---
 
 # --description--
@@ -58,5 +59,27 @@ assert(mixedNumbers.toString().match(/\.push/));
 assert(mixedNumbers.toString().match(/\.unshift/));
 ```
 
+# --seed--
+
+## --seed-contents--
+
+```js
+function mixedNumbers(arr) {
+  // Only change code below this line
+
+  // Only change code above this line
+  return arr;
+}
+
+console.log(mixedNumbers(['IV', 5, 'six']));
+```
+
 # --solutions--
 
+```js
+function mixedNumbers(arr) {
+  arr.push(7,'VIII',9);
+  arr.unshift('I',2,'three');
+  return arr;
+}
+```

curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/basic-data-structures/add-items-using-splice.md

@@ -3,6 +3,7 @@ id: 587d78b3367417b2b2512b11
 title: 使用 splice() 添加元素
 challengeType: 1
 forumTopicId: 301152
+dashedName: add-items-using-splice
 ---
 
 # --description--
@@ -67,5 +68,26 @@ assert(!/shift|unshift/.test(code));
 assert(!/\[\d\]\s*=/.test(code));
 ```
 
+# --seed--
+
+## --seed-contents--
+
+```js
+function htmlColorNames(arr) {
+  // Only change code below this line
+
+  // Only change code above this line
+  return arr;
+}
+
+console.log(htmlColorNames(['DarkGoldenRod', 'WhiteSmoke', 'LavenderBlush', 'PaleTurquoise', 'FireBrick']));
+```
+
 # --solutions--
 
+```js
+function htmlColorNames(arr) {
+  arr.splice(0,2,'DarkSalmon', 'BlanchedAlmond');
+  return arr;
+}
+```

curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/basic-data-structures/add-key-value-pairs-to-javascript-objects.md

@@ -3,6 +3,7 @@ id: 587d7b7c367417b2b2512b18
 title: 将键值对添加到对象中
 challengeType: 1
 forumTopicId: 301153
+dashedName: add-key-value-pairs-to-javascript-objects
 ---
 
 # --description--
@@ -90,5 +91,34 @@ assert(
 );
 ```
 
+# --seed--
+
+## --seed-contents--
+
+```js
+let foods = {
+  apples: 25,
+  oranges: 32,
+  plums: 28
+};
+
+// Only change code below this line
+
+// Only change code above this line
+
+console.log(foods);
+```
+
 # --solutions--
 
+```js
+let foods = {
+  apples: 25,
+  oranges: 32,
+  plums: 28
+};
+
+foods['bananas'] = 13;
+foods['grapes']  = 35;
+foods['strawberries'] = 27;
+```

curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/basic-data-structures/check-for-the-presence-of-an-element-with-indexof.md

@@ -3,6 +3,7 @@ id: 587d7b7b367417b2b2512b14
 title: 使用 indexOf() 检查元素是否存在
 challengeType: 1
 forumTopicId: 301154
+dashedName: check-for-the-presence-of-an-element-with-indexof
 ---
 
 # --description--
@@ -61,5 +62,24 @@ assert.strictEqual(quickCheck([true, false, false], undefined), false);
 assert.notStrictEqual(quickCheck.toString().search(/\.indexOf\(/), -1);
 ```
 
+# --seed--
+
+## --seed-contents--
+
+```js
+function quickCheck(arr, elem) {
+  // Only change code below this line
+
+  // Only change code above this line
+}
+
+console.log(quickCheck(['squash', 'onions', 'shallots'], 'mushrooms'));
+```
+
 # --solutions--
 
+```js
+function quickCheck(arr, elem) {
+  return arr.indexOf(elem) >= 0; 
+}
+```

curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/basic-data-structures/check-if-an-object-has-a-property.md

@@ -3,6 +3,7 @@ id: 587d7b7d367417b2b2512b1c
 title: 检查对象是否具有某个属性
 challengeType: 1
 forumTopicId: 301155
+dashedName: check-if-an-object-has-a-property
 ---
 
 # --description--
@@ -83,5 +84,69 @@ assert(
 );
 ```
 
+# --seed--
+
+## --seed-contents--
+
+```js
+let users = {
+  Alan: {
+    age: 27,
+    online: true
+  },
+  Jeff: {
+    age: 32,
+    online: true
+  },
+  Sarah: {
+    age: 48,
+    online: true
+  },
+  Ryan: {
+    age: 19,
+    online: true
+  }
+};
+
+function isEveryoneHere(obj) {
+  // Only change code below this line
+
+  // Only change code above this line
+}
+
+console.log(isEveryoneHere(users));
+```
+
 # --solutions--
 
+```js
+let users = {
+  Alan: {
+    age: 27,
+    online: true
+  },
+  Jeff: {
+    age: 32,
+    online: true
+  },
+  Sarah: {
+    age: 48,
+    online: true
+  },
+  Ryan: {
+    age: 19,
+    online: true
+  }
+};
+
+function isEveryoneHere(obj) {
+  return [
+    'Alan',
+    'Jeff',
+    'Sarah',
+    'Ryan'
+  ].every(i => obj.hasOwnProperty(i));
+}
+
+console.log(isEveryoneHere(users));
+```

curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/basic-data-structures/combine-arrays-with-the-spread-operator.md

@@ -3,6 +3,7 @@ id: 587d7b7b367417b2b2512b17
 title: 使用展开运算符合并数组
 challengeType: 1
 forumTopicId: 301156
+dashedName: combine-arrays-with-the-spread-operator
 ---
 
 # --description--
@@ -36,5 +37,26 @@ assert.deepEqual(spreadOut(), ['learning', 'to', 'code', 'is', 'fun']);
 assert.notStrictEqual(spreadOut.toString().search(/[...]/), -1);
 ```
 
+# --seed--
+
+## --seed-contents--
+
+```js
+function spreadOut() {
+  let fragment = ['to', 'code'];
+  let sentence; // Change this line
+  return sentence;
+}
+
+console.log(spreadOut());
+```
+
 # --solutions--
 
+```js
+function spreadOut() {
+  let fragment = ['to', 'code'];
+  let sentence = ['learning', ...fragment, 'is', 'fun'];
+  return sentence;
+}
+```

curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/basic-data-structures/copy-an-array-with-the-spread-operator.md

@@ -3,6 +3,7 @@ id: 587d7b7b367417b2b2512b13
 title: 使用展开运算符复制数组
 challengeType: 1
 forumTopicId: 301157
+dashedName: copy-an-array-with-the-spread-operator
 ---
 
 # --description--
@@ -67,5 +68,35 @@ assert.deepEqual(copyMachine(['it works'], 3), [
 assert(removeJSComments(code).match(/\.\.\.arr/));
 ```
 
+# --seed--
+
+## --seed-contents--
+
+```js
+function copyMachine(arr, num) {
+  let newArr = [];
+  while (num >= 1) {
+    // Only change code below this line
+
+    // Only change code above this line
+    num--;
+  }
+  return newArr;
+}
+
+console.log(copyMachine([true, false, true], 2));
+```
+
 # --solutions--
 
+```js
+function copyMachine(arr,num){
+    let newArr=[];
+    while(num >=1){
+    newArr.push([...arr]);
+    num--;
+    }
+    return newArr;
+}
+console.log(copyMachine([true, false, true], 2));
+```

curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/basic-data-structures/copy-array-items-using-slice.md

@@ -3,6 +3,7 @@ id: 587d7b7a367417b2b2512b12
 title: 使用 slice() 复制数组元素
 challengeType: 1
 forumTopicId: 301158
+dashedName: copy-array-items-using-slice
 ---
 
 # --description--
@@ -40,5 +41,25 @@ assert.deepEqual(
 assert(/\.slice\(/.test(code));
 ```
 
+# --seed--
+
+## --seed-contents--
+
+```js
+function forecast(arr) {
+  // Only change code below this line
+
+  return arr;
+}
+
+// Only change code above this line
+console.log(forecast(['cold', 'rainy', 'warm', 'sunny', 'cool', 'thunderstorms']));
+```
+
 # --solutions--
 
+```js
+function forecast(arr) {
+  return arr.slice(2,4);
+}
+```

curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/basic-data-structures/create-complex-multi-dimensional-arrays.md

@@ -3,6 +3,7 @@ id: 587d7b7b367417b2b2512b16
 title: 创建复杂的多维数组
 challengeType: 1
 forumTopicId: 301159
+dashedName: create-complex-multi-dimensional-arrays
 ---
 
 # --description--
@@ -186,5 +187,30 @@ assert(
 );
 ```
 
+# --seed--
+
+## --seed-contents--
+
+```js
+let myNestedArray = [
+  // Only change code below this line
+  ['unshift', false, 1, 2, 3, 'complex', 'nested'],
+  ['loop', 'shift', 6, 7, 1000, 'method'],
+  ['concat', false, true, 'spread', 'array'],
+  ['mutate', 1327.98, 'splice', 'slice', 'push'],
+  ['iterate', 1.3849, 7, '8.4876', 'arbitrary', 'depth']
+  // Only change code above this line
+];
+```
+
 # --solutions--
 
+```js
+let myNestedArray = [
+  ['unshift', ['deep', ['deeper', ['deepest']]],false, 1, 2, 3, 'complex', 'nested'],
+  ['loop', 'shift', 6, 7, 1000, 'method'],
+  ['concat', false, true, 'spread', 'array'],
+  ['mutate', 1327.98, 'splice', 'slice', 'push'],
+  ['iterate', 1.3849, 7, '8.4876', 'arbitrary', 'depth']
+];
+```

curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/basic-data-structures/generate-an-array-of-all-object-keys-with-object.keys.md

@@ -3,6 +3,7 @@ id: 587d7b7d367417b2b2512b1e
 title: 使用 Object.keys() 生成由对象的所有属性组成的数组
 challengeType: 1
 forumTopicId: 301160
+dashedName: generate-an-array-of-all-object-keys-with-object-keys
 ---
 
 # --description--
@@ -47,5 +48,64 @@ assert(
 );
 ```
 
+# --seed--
+
+## --seed-contents--
+
+```js
+let users = {
+  Alan: {
+    age: 27,
+    online: false
+  },
+  Jeff: {
+    age: 32,
+    online: true
+  },
+  Sarah: {
+    age: 48,
+    online: false
+  },
+  Ryan: {
+    age: 19,
+    online: true
+  }
+};
+
+function getArrayOfUsers(obj) {
+  // Only change code below this line
+
+  // Only change code above this line
+}
+
+console.log(getArrayOfUsers(users));
+```
+
 # --solutions--
 
+```js
+let users = {
+  Alan: {
+    age: 27,
+    online: false
+  },
+  Jeff: {
+    age: 32,
+    online: true
+  },
+  Sarah: {
+    age: 48,
+    online: false
+  },
+  Ryan: {
+    age: 19,
+    online: true
+  }
+};
+
+function getArrayOfUsers(obj) {
+  return Object.keys(obj);
+}
+
+console.log(getArrayOfUsers(users));
+```

curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/basic-data-structures/iterate-through-all-an-arrays-items-using-for-loops.md

@@ -3,6 +3,7 @@ id: 587d7b7b367417b2b2512b15
 title: 使用 for 循环遍历数组中的全部元素
 challengeType: 1
 forumTopicId: 301161
+dashedName: iterate-through-all-an-arrays-items-using-for-loops
 ---
 
 # --description--
@@ -107,5 +108,32 @@ assert.deepEqual(
 assert.notStrictEqual(filteredArray.toString().search(/for/), -1);
 ```
 
+# --seed--
+
+## --seed-contents--
+
+```js
+function filteredArray(arr, elem) {
+  let newArr = [];
+  // Only change code below this line
+
+  // Only change code above this line
+  return newArr;
+}
+
+console.log(filteredArray([[3, 2, 3], [1, 6, 3], [3, 13, 26], [19, 3, 9]], 3));
+```
+
 # --solutions--
 
+```js
+function filteredArray(arr, elem) {
+  let newArr = [];
+  for (let i = 0; i<arr.length; i++) {
+    if (arr[i].indexOf(elem) < 0) {
+      newArr.push(arr[i]);
+    }
+  }
+  return newArr;
+}
+```

curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/basic-data-structures/iterate-through-the-keys-of-an-object-with-a-for...in-statement.md

@@ -3,6 +3,7 @@ id: 587d7b7d367417b2b2512b1d
 title: 使用 for...in 语句遍历对象
 challengeType: 1
 forumTopicId: 301162
+dashedName: iterate-through-the-keys-of-an-object-with-a-for---in-statement
 ---
 
 # --description--
@@ -71,5 +72,69 @@ assert(countOnline(usersObj2) === 2);
 assert(countOnline(usersObj3) === 0);
 ```
 
+# --seed--
+
+## --after-user-code--
+
+```js
+const usersObj1 = {
+  Alan: {
+    online: false
+  },
+  Jeff: {
+    online: true
+  },
+  Sarah: {
+    online: false
+  }
+}
+
+const usersObj2 = {
+  Alan: {
+    online: true
+  },
+  Jeff: {
+    online: false
+  },
+  Sarah: {
+    online: true
+  }
+}
+
+
+const usersObj3 = {
+  Alan: {
+    online: false
+  },
+  Jeff: {
+    online: false
+  },
+  Sarah: {
+    online: false
+  }
+}
+```
+
+## --seed-contents--
+
+```js
+function countOnline(usersObj) {
+  // Only change code below this line
+
+  // Only change code above this line
+}
+```
+
 # --solutions--
 
+```js
+function countOnline(usersObj) {
+  let online = 0;
+  for(let user in usersObj){
+    if(usersObj[user].online) {
+      online++;
+    }
+  }
+  return online;
+}
+```

curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/basic-data-structures/modify-an-array-stored-in-an-object.md

@@ -3,6 +3,7 @@ id: 587d7b7d367417b2b2512b1f
 title: 修改存储在对象中的数组
 challengeType: 1
 forumTopicId: 301163
+dashedName: modify-an-array-stored-in-an-object
 ---
 
 # --description--
@@ -47,5 +48,65 @@ assert.deepEqual(
 );
 ```
 
+# --seed--
+
+## --seed-contents--
+
+```js
+let user = {
+  name: 'Kenneth',
+  age: 28,
+  data: {
+    username: 'kennethCodesAllDay',
+    joinDate: 'March 26, 2016',
+    organization: 'freeCodeCamp',
+    friends: [
+      'Sam',
+      'Kira',
+      'Tomo'
+    ],
+    location: {
+      city: 'San Francisco',
+      state: 'CA',
+      country: 'USA'
+    }
+  }
+};
+
+function addFriend(userObj, friend) {
+  // Only change code below this line
+
+  // Only change code above this line
+}
+
+console.log(addFriend(user, 'Pete'));
+```
+
 # --solutions--
 
+```js
+let user = {
+  name: 'Kenneth',
+  age: 28,
+  data: {
+    username: 'kennethCodesAllDay',
+    joinDate: 'March 26, 2016',
+    organization: 'freeCodeCamp',
+    friends: [
+      'Sam',
+      'Kira',
+      'Tomo'
+    ],
+    location: {
+      city: 'San Francisco',
+      state: 'CA',
+      country: 'USA'
+    }
+  }
+};
+
+function addFriend(userObj, friend) {
+  userObj.data.friends.push(friend);
+  return userObj.data.friends;
+}
+```

curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/basic-data-structures/modify-an-object-nested-within-an-object.md

@@ -3,6 +3,7 @@ id: 587d7b7c367417b2b2512b19
 title: 修改嵌套在对象中的对象
 challengeType: 1
 forumTopicId: 301164
+dashedName: modify-an-object-nested-within-an-object
 ---
 
 # --description--
@@ -62,5 +63,38 @@ assert(userActivity.data.online === 45);
 assert.strictEqual(code.search(/online: 45/), -1);
 ```
 
+# --seed--
+
+## --seed-contents--
+
+```js
+let userActivity = {
+  id: 23894201352,
+  date: 'January 1, 2017',
+  data: {
+    totalUsers: 51,
+    online: 42
+  }
+};
+
+// Only change code below this line
+
+// Only change code above this line
+
+console.log(userActivity);
+```
+
 # --solutions--
 
+```js
+let userActivity = {
+  id: 23894201352,
+  date: 'January 1, 2017',
+  data: {
+    totalUsers: 51,
+    online: 42
+  }
+};
+
+userActivity.data.online = 45;
+```

curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/basic-data-structures/remove-items-from-an-array-with-pop-and-shift.md

@@ -3,6 +3,7 @@ id: 587d78b2367417b2b2512b0f
 title: 使用 pop() 和 shift() 从数组中删除元素
 challengeType: 1
 forumTopicId: 301165
+dashedName: remove-items-from-an-array-with-pop-and-shift
 ---
 
 # --description--
@@ -56,5 +57,26 @@ assert.notStrictEqual(popShift.toString().search(/\.pop\(/), -1);
 assert.notStrictEqual(popShift.toString().search(/\.shift\(/), -1);
 ```
 
+# --seed--
+
+## --seed-contents--
+
+```js
+function popShift(arr) {
+  let popped; // Change this line
+  let shifted; // Change this line
+  return [shifted, popped];
+}
+
+console.log(popShift(['challenge', 'is', 'not', 'complete']));
+```
+
 # --solutions--
 
+```js
+function popShift(arr) {
+  let popped = arr.pop(); // Change this line
+  let shifted = arr.shift(); // Change this line
+  return [shifted, popped];
+}
+```

curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/basic-data-structures/remove-items-using-splice.md

@@ -3,6 +3,7 @@ id: 587d78b2367417b2b2512b10
 title: 使用 splice() 删除元素
 challengeType: 1
 forumTopicId: 301166
+dashedName: remove-items-using-splice
 ---
 
 # --description--
@@ -61,5 +62,21 @@ splice 应只删除 `arr` 里面的元素，不能给 `arr` 添加元素。
 assert(!code.replace(/\s/g, '').match(/arr\.splice\(\d+,\d+,\d+.*\)/g));
 ```
 
+# --seed--
+
+## --seed-contents--
+
+```js
+const arr = [2, 4, 5, 1, 7, 5, 2, 1];
+// Only change code below this line
+
+// Only change code above this line
+console.log(arr);
+```
+
 # --solutions--
 
+```js
+const arr = [2, 4, 5, 1, 7, 5, 2, 1];
+arr.splice(1, 4);
+```

curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/basic-data-structures/use-an-array-to-store-a-collection-of-data.md

@@ -3,6 +3,7 @@ id: 587d7b7e367417b2b2512b20
 title: 使用数组存储不同类型的数据
 challengeType: 1
 forumTopicId: 301167
+dashedName: use-an-array-to-store-a-collection-of-data
 ---
 
 # --description--
@@ -78,5 +79,16 @@ assert(yourArray.filter((el) => typeof el === 'number').length >= 1);
 assert(yourArray.filter((el) => typeof el === 'string').length >= 1);
 ```
 
+# --seed--
+
+## --seed-contents--
+
+```js
+let yourArray; // Change this line
+```
+
 # --solutions--
 
+```js
+let yourArray = ['a string', 100, true, ['one', 2], 'another string'];
+```

curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/basic-data-structures/use-the-delete-keyword-to-remove-object-properties.md

@@ -3,6 +3,7 @@ id: 587d7b7c367417b2b2512b1b
 title: 使用 delete 关键字删除对象属性
 challengeType: 1
 forumTopicId: 301168
+dashedName: use-the-delete-keyword-to-remove-object-properties
 ---
 
 # --description--
@@ -44,5 +45,42 @@ assert(
 );
 ```
 
+# --seed--
+
+## --seed-contents--
+
+```js
+let foods = {
+  apples: 25,
+  oranges: 32,
+  plums: 28,
+  bananas: 13,
+  grapes: 35,
+  strawberries: 27
+};
+
+// Only change code below this line
+
+// Only change code above this line
+
+console.log(foods);
+```
+
 # --solutions--
 
+```js
+let foods = {
+  apples: 25,
+  oranges: 32,
+  plums: 28,
+  bananas: 13,
+  grapes: 35,
+  strawberries: 27
+};
+
+delete foods.oranges;
+delete foods.plums;
+delete foods.strawberries;
+
+console.log(foods);
+```

curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/basic-javascript/access-array-data-with-indexes.md

@@ -4,6 +4,7 @@ title: 通过索引访问数组中的数据
 challengeType: 1
 videoUrl: 'https://scrimba.com/c/cBZQbTz'
 forumTopicId: 16158
+dashedName: access-array-data-with-indexes
 ---
 
 # --description--
@@ -60,5 +61,26 @@ assert(
 );
 ```
 
+# --seed--
+
+## --after-user-code--
+
+```js
+if(typeof myArray !== "undefined" && typeof myData !== "undefined"){(function(y,z){return 'myArray = ' + JSON.stringify(y) + ', myData = ' + JSON.stringify(z);})(myArray, myData);}
+```
+
+## --seed-contents--
+
+```js
+// Setup
+var myArray = [50,60,70];
+
+// Only change code below this line
+```
+
 # --solutions--
 
+```js
+var myArray = [50,60,70];
+var myData = myArray[0];
+```

curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/basic-javascript/access-multi-dimensional-arrays-with-indexes.md

@@ -4,6 +4,7 @@ title: 使用索引访问多维数组
 challengeType: 1
 videoUrl: 'https://scrimba.com/c/ckND4Cq'
 forumTopicId: 16159
+dashedName: access-multi-dimensional-arrays-with-indexes
 ---
 
 # --description--
@@ -48,5 +49,27 @@ assert(
 );
 ```
 
+# --seed--
+
+## --after-user-code--
+
+```js
+if(typeof myArray !== "undefined"){(function(){return "myData: " + myData + " myArray: " + JSON.stringify(myArray);})();}
+```
+
+## --seed-contents--
+
+```js
+// Setup
+var myArray = [[1,2,3], [4,5,6], [7,8,9], [[10,11,12], 13, 14]];
+
+// Only change code below this line
+var myData = myArray[0][0];
+```
+
 # --solutions--
 
+```js
+var myArray = [[1,2,3],[4,5,6], [7,8,9], [[10,11,12], 13, 14]];
+var myData = myArray[2][1];
+```

curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/basic-javascript/accessing-nested-arrays.md

@@ -4,6 +4,7 @@ title: 访问嵌套数组
 challengeType: 1
 videoUrl: 'https://scrimba.com/c/cLeGDtZ'
 forumTopicId: 16160
+dashedName: accessing-nested-arrays
 ---
 
 # --description--
@@ -53,5 +54,70 @@ assert(secondTree === 'pine');
 assert(/=\s*myPlants\[1\].list\[1\]/.test(code));
 ```
 
+# --seed--
+
+## --after-user-code--
+
+```js
+(function(x) {
+  if(typeof x != 'undefined') {
+    return "secondTree = " + x;
+  }
+  return "secondTree is undefined";
+})(secondTree);
+```
+
+## --seed-contents--
+
+```js
+// Setup
+var myPlants = [
+  {
+    type: "flowers",
+    list: [
+      "rose",
+      "tulip",
+      "dandelion"
+    ]
+  },
+  {
+    type: "trees",
+    list: [
+      "fir",
+      "pine",
+      "birch"
+    ]
+  }
+];
+
+// Only change code below this line
+
+var secondTree = ""; // Change this line
+```
+
 # --solutions--
 
+```js
+var myPlants = [
+  {
+    type: "flowers",
+    list: [
+      "rose",
+      "tulip",
+      "dandelion"
+    ]
+  },
+  {
+    type: "trees",
+    list: [
+      "fir",
+      "pine",
+      "birch"
+    ]
+  }
+];
+
+// Only change code below this line
+
+var secondTree = myPlants[1].list[1];
+```

curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/basic-javascript/accessing-nested-objects.md

@@ -4,6 +4,7 @@ title: 访问嵌套对象
 challengeType: 1
 videoUrl: 'https://scrimba.com/c/cRnRnfa'
 forumTopicId: 16161
+dashedName: accessing-nested-objects
 ---
 
 # --description--
@@ -47,5 +48,51 @@ assert(gloveBoxContents === 'maps');
 assert(/=\s*myStorage\.car\.inside\[\s*("|')glove box\1\s*\]/g.test(code));
 ```
 
+# --seed--
+
+## --after-user-code--
+
+```js
+(function(x) { 
+  if(typeof x != 'undefined') { 
+    return "gloveBoxContents = " + x;
+  }
+  return "gloveBoxContents is undefined";
+})(gloveBoxContents);
+```
+
+## --seed-contents--
+
+```js
+// Setup
+var myStorage = {
+  "car": {
+    "inside": {
+      "glove box": "maps",
+      "passenger seat": "crumbs"
+     },
+    "outside": {
+      "trunk": "jack"
+    }
+  }
+};
+
+var gloveBoxContents = undefined; // Change this line
+```
+
 # --solutions--
 
+```js
+var myStorage = {
+  "car":{
+    "inside":{
+      "glove box":"maps",
+      "passenger seat":"crumbs"
+    },
+    "outside":{
+      "trunk":"jack"
+    }
+  }
+};
+var gloveBoxContents = myStorage.car.inside["glove box"];
+```

curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/basic-javascript/accessing-object-properties-with-bracket-notation.md

@@ -4,6 +4,7 @@ title: 通过方括号访问对象属性
 challengeType: 1
 videoUrl: 'https://scrimba.com/c/cBvmEHP'
 forumTopicId: 16163
+dashedName: accessing-object-properties-with-bracket-notation
 ---
 
 # --description--
@@ -63,5 +64,38 @@ assert(drinkValue === 'water');
 assert(code.match(/testObj\s*?\[('|")[^'"]+\1\]/g).length > 1);
 ```
 
+# --seed--
+
+## --after-user-code--
+
+```js
+(function(a,b) { return "entreeValue = '" + a + "', drinkValue = '" + b + "'"; })(entreeValue,drinkValue);
+```
+
+## --seed-contents--
+
+```js
+// Setup
+var testObj = {
+  "an entree": "hamburger",
+  "my side": "veggies",
+  "the drink": "water"
+};
+
+// Only change code below this line
+
+var entreeValue = testObj;   // Change this line
+var drinkValue = testObj;    // Change this line
+```
+
 # --solutions--
 
+```js
+var testObj = {
+  "an entree": "hamburger",
+  "my side": "veggies",
+  "the drink": "water"
+};
+var entreeValue = testObj["an entree"];
+var drinkValue = testObj['the drink'];
+```

curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/basic-javascript/accessing-object-properties-with-dot-notation.md

@@ -4,6 +4,7 @@ title: 通过点符号访问对象属性
 challengeType: 1
 videoUrl: 'https://scrimba.com/c/cGryJs8'
 forumTopicId: 16164
+dashedName: accessing-object-properties-with-dot-notation
 ---
 
 # --description--
@@ -59,5 +60,39 @@ assert(shirtValue === 'jersey');
 assert(code.match(/testObj\.\w+/g).length > 1);
 ```
 
+# --seed--
+
+## --after-user-code--
+
+```js
+(function(a,b) { return "hatValue = '" + a + "', shirtValue = '" + b + "'"; })(hatValue,shirtValue);
+```
+
+## --seed-contents--
+
+```js
+// Setup
+var testObj = {
+  "hat": "ballcap",
+  "shirt": "jersey",
+  "shoes": "cleats"
+};
+
+// Only change code below this line
+
+var hatValue = testObj;      // Change this line
+var shirtValue = testObj;    // Change this line
+```
+
 # --solutions--
 
+```js
+var testObj = {
+  "hat": "ballcap",
+  "shirt": "jersey",
+  "shoes": "cleats"
+};
+
+var hatValue = testObj.hat;
+var shirtValue = testObj.shirt;
+```

curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/basic-javascript/accessing-object-properties-with-variables.md

@@ -4,6 +4,7 @@ title: 通过变量访问对象属性
 challengeType: 1
 videoUrl: 'https://scrimba.com/c/cnQyKur'
 forumTopicId: 16165
+dashedName: accessing-object-properties-with-variables
 ---
 
 # --description--
@@ -79,5 +80,38 @@ assert(!code.match(/player\s*=\s*"|\'\s*Montana\s*"|\'\s*;/gi));
 assert(/testObj\s*?\[\s*playerNumber\s*\]/.test(code));
 ```
 
+# --seed--
+
+## --after-user-code--
+
+```js
+if(typeof player !== "undefined"){(function(v){return v;})(player);}
+```
+
+## --seed-contents--
+
+```js
+// Setup
+var testObj = {
+  12: "Namath",
+  16: "Montana",
+  19: "Unitas"
+};
+
+// Only change code below this line
+
+var playerNumber;       // Change this line
+var player = testObj;   // Change this line
+```
+
 # --solutions--
 
+```js
+var testObj = {
+  12: "Namath",
+  16: "Montana",
+  19: "Unitas"
+};
+var playerNumber = 16;
+var player = testObj[playerNumber];
+```

curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/basic-javascript/add-new-properties-to-a-javascript-object.md

@@ -4,6 +4,7 @@ title: 给对象添加新属性
 challengeType: 1
 videoUrl: 'https://scrimba.com/c/cQe38UD'
 forumTopicId: 301169
+dashedName: add-new-properties-to-a-javascript-object
 ---
 
 # --description--
@@ -38,5 +39,36 @@ assert(myDog.bark !== undefined);
 assert(!/bark[^\n]:/.test(code));
 ```
 
+# --seed--
+
+## --after-user-code--
+
+```js
+(function(z){return z;})(myDog);
+```
+
+## --seed-contents--
+
+```js
+// Setup
+var myDog = {
+  "name": "Happy Coder",
+  "legs": 4,
+  "tails": 1,
+  "friends": ["freeCodeCamp Campers"]
+};
+
+// Only change code below this line
+```
+
 # --solutions--
 
+```js
+var myDog = {
+  "name": "Happy Coder",
+  "legs": 4,
+  "tails": 1,
+  "friends": ["freeCodeCamp Campers"]
+};
+myDog.bark = "Woof Woof";
+```

curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/basic-javascript/add-two-numbers-with-javascript.md

@@ -4,6 +4,7 @@ title: 加法运算
 challengeType: 1
 videoUrl: 'https://scrimba.com/c/cM2KBAG'
 forumTopicId: 16650
+dashedName: add-two-numbers-with-javascript
 ---
 
 # --description--
@@ -38,5 +39,22 @@ assert(sum === 20);
 assert(/\+/.test(code));
 ```
 
+# --seed--
+
+## --after-user-code--
+
+```js
+(function(z){return 'sum = '+z;})(sum);
+```
+
+## --seed-contents--
+
+```js
+var sum = 10 + 0;
+```
+
 # --solutions--
 
+```js
+var sum = 10 + 10;
+```

curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/basic-javascript/adding-a-default-option-in-switch-statements.md

@@ -4,6 +4,7 @@ title: 在 Switch 语句中添加默认选项
 challengeType: 1
 videoUrl: 'https://scrimba.com/c/c3JvVfg'
 forumTopicId: 16653
+dashedName: adding-a-default-option-in-switch-statements
 ---
 
 # --description--
@@ -85,5 +86,43 @@ assert(switchOfStuff('string-to-trigger-default-case') === 'stuff');
 assert(code.match(/break/g).length > 2);
 ```
 
+# --seed--
+
+## --seed-contents--
+
+```js
+function switchOfStuff(val) {
+  var answer = "";
+  // Only change code below this line
+
+
+
+  // Only change code above this line
+  return answer;
+}
+
+switchOfStuff(1);
+```
+
 # --solutions--
 
+```js
+function switchOfStuff(val) {
+  var answer = "";
+
+  switch(val) {
+    case "a":
+      answer = "apple";
+      break;
+    case "b":
+      answer = "bird";
+      break;
+    case "c":
+      answer = "cat";
+      break;
+    default:
+      answer = "stuff";
+  }
+  return answer;
+}
+```

curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/basic-javascript/appending-variables-to-strings.md

@@ -4,6 +4,7 @@ title: 将变量附加到字符串
 challengeType: 1
 videoUrl: 'https://scrimba.com/c/cbQmZfa'
 forumTopicId: 16656
+dashedName: appending-variables-to-strings
 ---
 
 # --description--
@@ -28,5 +29,40 @@ assert(typeof someAdjective !== 'undefined' && someAdjective.length > 2);
 assert(code.match(/myStr\s*\+=\s*someAdjective\s*/).length > 0);
 ```
 
+# --seed--
+
+## --after-user-code--
+
+```js
+(function(){
+  var output = [];
+  if(typeof someAdjective === 'string') {
+    output.push('someAdjective = "' + someAdjective + '"');
+  } else {
+    output.push('someAdjective is not a string');
+  }
+  if(typeof myStr === 'string') {
+    output.push('myStr = "' + myStr + '"');
+  } else {
+    output.push('myStr is not a string');
+  }
+  return output.join('\n');
+})();
+```
+
+## --seed-contents--
+
+```js
+// Change code below this line
+
+var someAdjective;
+var myStr = "Learning to code is ";
+```
+
 # --solutions--
 
+```js
+var someAdjective = "neat";
+var myStr = "Learning to code is ";
+myStr += someAdjective;
+```

curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/basic-javascript/assigning-the-value-of-one-variable-to-another.md

@@ -4,6 +4,7 @@ title: Assigning the Value of One Variable to Another
 challengeType: 1
 videoUrl: ''
 forumTopicId: 418265
+dashedName: assigning-the-value-of-one-variable-to-another
 ---
 
 # --description--

curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/basic-javascript/assignment-with-a-returned-value.md

@@ -4,6 +4,7 @@ title: 用返回值来赋值
 challengeType: 1
 videoUrl: 'https://scrimba.com/c/ce2pEtB'
 forumTopicId: 16658
+dashedName: assignment-with-a-returned-value
 ---
 
 # --description--
@@ -34,5 +35,35 @@ assert(processed === 2);
 assert(/processed\s*=\s*processArg\(\s*7\s*\)\s*;/.test(code));
 ```
 
+# --seed--
+
+## --after-user-code--
+
+```js
+(function(){return "processed = " + processed})();
+```
+
+## --seed-contents--
+
+```js
+// Setup
+var processed = 0;
+
+function processArg(num) {
+  return (num + 3) / 5;
+}
+
+// Only change code below this line
+```
+
 # --solutions--
 
+```js
+var processed = 0;
+
+function processArg(num) {
+  return (num + 3) / 5;
+}
+
+processed = processArg(7);
+```

curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/basic-javascript/build-javascript-objects.md

@@ -4,6 +4,7 @@ title: 新建 JavaScript 对象
 challengeType: 1
 videoUrl: 'https://scrimba.com/c/cWGkbtd'
 forumTopicId: 16769
+dashedName: build-javascript-objects
 ---
 
 # --description--
@@ -127,5 +128,32 @@ assert(
 );
 ```
 
+# --seed--
+
+## --after-user-code--
+
+```js
+(function(z){return z;})(myDog);
+```
+
+## --seed-contents--
+
+```js
+var myDog = {
+// Only change code below this line
+
+
+// Only change code above this line
+};
+```
+
 # --solutions--
 
+```js
+var myDog = {
+  "name": "Camper",
+  "legs": 4,
+  "tails": 1,
+  "friends": ["everything!"]
+};
+```

curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/basic-javascript/chaining-if-else-statements.md

@@ -4,6 +4,7 @@ title: 多个 if else 语句
 challengeType: 1
 videoUrl: 'https://scrimba.com/c/caeJgsw'
 forumTopicId: 16772
+dashedName: chaining-if-else-statements
 ---
 
 # --description--
@@ -113,5 +114,36 @@ assert(testSize(20) === 'Huge');
 assert(testSize(25) === 'Huge');
 ```
 
+# --seed--
+
+## --seed-contents--
+
+```js
+function testSize(num) {
+  // Only change code below this line
+
+
+  return "Change Me";
+  // Only change code above this line
+}
+
+testSize(7);
+```
+
 # --solutions--
 
+```js
+function testSize(num) {
+  if (num < 5) {
+    return "Tiny";
+  } else if (num < 10) {
+    return "Small";
+  } else if (num < 15) {
+    return "Medium";
+  } else if (num < 20) {
+    return "Large";
+  } else {
+    return "Huge";
+  }
+}
+```

curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/basic-javascript/comment-your-javascript-code.md

@@ -4,6 +4,7 @@ title: 给代码添加注释
 challengeType: 1
 videoUrl: 'https://scrimba.com/c/c7ynnTp'
 forumTopicId: 16783
+dashedName: comment-your-javascript-code
 ---
 
 # --description--
@@ -46,5 +47,16 @@ assert(code.match(/(\/\/)...../g));
 assert(code.match(/(\/\*)([^\/]{5,})(?=\*\/)/gm));
 ```
 
+# --seed--
+
+## --seed-contents--
+
+```js
+```
+
 # --solutions--
 
+```js
+// Fake Comment
+/* Another Comment */
+```

curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/basic-javascript/comparison-with-the-equality-operator.md

@@ -4,6 +4,7 @@ title: 相等运算符
 challengeType: 1
 videoUrl: 'https://scrimba.com/c/cKyVMAL'
 forumTopicId: 16784
+dashedName: comparison-with-the-equality-operator
 ---
 
 # --description--
@@ -60,5 +61,29 @@ assert(testEqual('12') === 'Equal');
 assert(code.match(/==/g) && !code.match(/===/g));
 ```
 
+# --seed--
+
+## --seed-contents--
+
+```js
+// Setup
+function testEqual(val) {
+  if (val) { // Change this line
+    return "Equal";
+  }
+  return "Not Equal";
+}
+
+testEqual(10);
+```
+
 # --solutions--
 
+```js
+function testEqual(val) {
+  if (val == 12) {
+    return "Equal";
+  }
+  return "Not Equal";
+}
+```

curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/basic-javascript/comparison-with-the-greater-than-operator.md

@@ -4,6 +4,7 @@ title: 大于运算符
 challengeType: 1
 videoUrl: 'https://scrimba.com/c/cp6GbH4'
 forumTopicId: 16786
+dashedName: comparison-with-the-greater-than-operator
 ---
 
 # --description--
@@ -75,5 +76,36 @@ assert(testGreaterThan(150) === 'Over 100');
 assert(code.match(/val\s*>\s*('|")*\d+('|")*/g).length > 1);
 ```
 
+# --seed--
+
+## --seed-contents--
+
+```js
+function testGreaterThan(val) {
+  if (val) {  // Change this line
+    return "Over 100";
+  }
+
+  if (val) {  // Change this line
+    return "Over 10";
+  }
+
+  return "10 or Under";
+}
+
+testGreaterThan(10);
+```
+
 # --solutions--
 
+```js
+function testGreaterThan(val) {
+  if (val > 100) {  // Change this line
+    return "Over 100";
+  }
+  if (val > 10) {  // Change this line
+    return "Over 10";
+  }
+  return "10 or Under";
+}
+```

curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/basic-javascript/comparison-with-the-greater-than-or-equal-to-operator.md

@@ -4,6 +4,7 @@ title: 大于或等于运算符
 challengeType: 1
 videoUrl: 'https://scrimba.com/c/c6KBqtV'
 forumTopicId: 16785
+dashedName: comparison-with-the-greater-than-or-equal-to-operator
 ---
 
 # --description--
@@ -75,5 +76,38 @@ assert(testGreaterOrEqual(21) === '20 or Over');
 assert(code.match(/val\s*>=\s*('|")*\d+('|")*/g).length > 1);
 ```
 
+# --seed--
+
+## --seed-contents--
+
+```js
+function testGreaterOrEqual(val) {
+  if (val) {  // Change this line
+    return "20 or Over";
+  }
+
+  if (val) {  // Change this line
+    return "10 or Over";
+  }
+
+  return "Less than 10";
+}
+
+testGreaterOrEqual(10);
+```
+
 # --solutions--
 
+```js
+function testGreaterOrEqual(val) {
+  if (val >= 20) {  // Change this line
+    return "20 or Over";
+  }
+
+  if (val >= 10) {  // Change this line
+    return "10 or Over";
+  }
+
+  return "Less than 10";
+}
+```

curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/basic-javascript/comparison-with-the-inequality-operator.md

@@ -4,6 +4,7 @@ title: 不等运算符
 challengeType: 1
 videoUrl: 'https://scrimba.com/c/cdBm9Sr'
 forumTopicId: 16787
+dashedName: comparison-with-the-inequality-operator
 ---
 
 # --description--
@@ -62,5 +63,29 @@ assert(testNotEqual('bob') === 'Not Equal');
 assert(code.match(/(?!!==)!=/));
 ```
 
+# --seed--
+
+## --seed-contents--
+
+```js
+// Setup
+function testNotEqual(val) {
+  if (val) { // Change this line
+    return "Not Equal";
+  }
+  return "Equal";
+}
+
+testNotEqual(10);
+```
+
 # --solutions--
 
+```js
+function testNotEqual(val) {
+  if (val != 99) {
+    return "Not Equal";
+  }
+  return "Equal";
+}
+```

curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/basic-javascript/comparison-with-the-less-than-operator.md

@@ -4,6 +4,7 @@ title: 小于运算符
 challengeType: 1
 videoUrl: 'https://scrimba.com/c/cNVRWtB'
 forumTopicId: 16789
+dashedName: comparison-with-the-less-than-operator
 ---
 
 # --description--
@@ -68,5 +69,38 @@ assert(testLessThan(99) === '55 or Over');
 assert(code.match(/val\s*<\s*('|")*\d+('|")*/g).length > 1);
 ```
 
+# --seed--
+
+## --seed-contents--
+
+```js
+function testLessThan(val) {
+  if (val) {  // Change this line
+    return "Under 25";
+  }
+
+  if (val) {  // Change this line
+    return "Under 55";
+  }
+
+  return "55 or Over";
+}
+
+testLessThan(10);
+```
+
 # --solutions--
 
+```js
+function testLessThan(val) {
+  if (val < 25) {  // Change this line
+    return "Under 25";
+  }
+
+  if (val < 55) {  // Change this line
+    return "Under 55";
+  }
+
+  return "55 or Over";
+}
+```

curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/basic-javascript/comparison-with-the-less-than-or-equal-to-operator.md

@@ -4,6 +4,7 @@ title: 小于或等于运算符
 challengeType: 1
 videoUrl: 'https://scrimba.com/c/cNVR7Am'
 forumTopicId: 16788
+dashedName: comparison-with-the-less-than-or-equal-to-operator
 ---
 
 # --description--
@@ -74,5 +75,38 @@ assert(testLessOrEqual(55) === 'More Than 24');
 assert(code.match(/val\s*<=\s*('|")*\d+('|")*/g).length > 1);
 ```
 
+# --seed--
+
+## --seed-contents--
+
+```js
+function testLessOrEqual(val) {
+  if (val) {  // Change this line
+    return "Smaller Than or Equal to 12";
+  }
+
+  if (val) {  // Change this line
+    return "Smaller Than or Equal to 24";
+  }
+
+  return "More Than 24";
+}
+
+testLessOrEqual(10);
+```
+
 # --solutions--
 
+```js
+function testLessOrEqual(val) {
+  if (val <= 12) {  // Change this line
+    return "Smaller Than or Equal to 12";
+  }
+
+  if (val <= 24) {  // Change this line
+    return "Smaller Than or Equal to 24";
+  }
+
+  return "More Than 24";
+}
+```

curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/basic-javascript/comparison-with-the-strict-equality-operator.md

@@ -4,6 +4,7 @@ title: 严格相等运算符
 challengeType: 1
 videoUrl: 'https://scrimba.com/c/cy87atr'
 forumTopicId: 16790
+dashedName: comparison-with-the-strict-equality-operator
 ---
 
 # --description--
@@ -51,5 +52,29 @@ assert(testStrict('7') === 'Not Equal');
 assert(code.match(/(val\s*===\s*\d+)|(\d+\s*===\s*val)/g).length > 0);
 ```
 
+# --seed--
+
+## --seed-contents--
+
+```js
+// Setup
+function testStrict(val) {
+  if (val) { // Change this line
+    return "Equal";
+  }
+  return "Not Equal";
+}
+
+testStrict(10);
+```
+
 # --solutions--
 
+```js
+function testStrict(val) {
+  if (val === 7) {
+    return "Equal";
+  }
+  return "Not Equal";
+}
+```

curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/basic-javascript/comparison-with-the-strict-inequality-operator.md

@@ -4,6 +4,7 @@ title: 严格不等运算符
 challengeType: 1
 videoUrl: 'https://scrimba.com/c/cKekkUy'
 forumTopicId: 16791
+dashedName: comparison-with-the-strict-inequality-operator
 ---
 
 # --description--
@@ -54,5 +55,29 @@ assert(testStrictNotEqual('bob') === 'Not Equal');
 assert(code.match(/(val\s*!==\s*\d+)|(\d+\s*!==\s*val)/g).length > 0);
 ```
 
+# --seed--
+
+## --seed-contents--
+
+```js
+// Setup
+function testStrictNotEqual(val) {
+  if (val) { // Change this line
+    return "Not Equal";
+  }
+  return "Equal";
+}
+
+testStrictNotEqual(10);
+```
+
 # --solutions--
 
+```js
+function testStrictNotEqual(val) {
+  if (val !== 17) {
+    return "Not Equal";
+  }
+  return "Equal";
+}
+```

curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/basic-javascript/comparisons-with-the-logical-and-operator.md

@@ -4,6 +4,7 @@ title: 逻辑与运算符
 challengeType: 1
 videoUrl: 'https://scrimba.com/c/cvbRVtr'
 forumTopicId: 16799
+dashedName: comparisons-with-the-logical-and-operator
 ---
 
 # --description--
@@ -96,5 +97,34 @@ assert(testLogicalAnd(75) === 'No');
 assert(testLogicalAnd(80) === 'No');
 ```
 
+# --seed--
+
+## --seed-contents--
+
+```js
+function testLogicalAnd(val) {
+  // Only change code below this line
+
+  if (val) {
+    if (val) {
+      return "Yes";
+    }
+  }
+
+  // Only change code above this line
+  return "No";
+}
+
+testLogicalAnd(10);
+```
+
 # --solutions--
 
+```js
+function testLogicalAnd(val) {
+  if (val >= 25 && val <= 50) {
+    return "Yes";
+  }
+  return "No";
+}
+```

curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/basic-javascript/comparisons-with-the-logical-or-operator.md

@@ -4,6 +4,7 @@ title: 逻辑或运算符
 challengeType: 1
 videoUrl: 'https://scrimba.com/c/cEPrGTN'
 forumTopicId: 16800
+dashedName: comparisons-with-the-logical-or-operator
 ---
 
 # --description--
@@ -99,5 +100,36 @@ assert(testLogicalOr(21) === 'Outside');
 assert(testLogicalOr(25) === 'Outside');
 ```
 
+# --seed--
+
+## --seed-contents--
+
+```js
+function testLogicalOr(val) {
+  // Only change code below this line
+
+  if (val) {
+    return "Outside";
+  }
+
+  if (val) {
+    return "Outside";
+  }
+
+  // Only change code above this line
+  return "Inside";
+}
+
+testLogicalOr(15);
+```
+
 # --solutions--
 
+```js
+function testLogicalOr(val) {
+  if (val < 10 || val > 20) {
+    return "Outside";
+  }
+  return "Inside";
+}
+```

curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/basic-javascript/compound-assignment-with-augmented-addition.md

@@ -4,6 +4,7 @@ title: 复合赋值之 +=
 challengeType: 1
 videoUrl: 'https://scrimba.com/c/cDR6LCb'
 forumTopicId: 16661
+dashedName: compound-assignment-with-augmented-addition
 ---
 
 # --description--
@@ -62,5 +63,35 @@ assert(
 );
 ```
 
+# --seed--
+
+## --after-user-code--
+
+```js
+(function(a,b,c){ return "a = " + a + ", b = " + b + ", c = " + c; })(a,b,c);
+```
+
+## --seed-contents--
+
+```js
+var a = 3;
+var b = 17;
+var c = 12;
+
+// Only change code below this line
+a = a + 12;
+b = 9 + b;
+c = c + 7;
+```
+
 # --solutions--
 
+```js
+var a = 3;
+var b = 17;
+var c = 12;
+
+a += 12;
+b += 9;
+c += 7;
+```

curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/basic-javascript/compound-assignment-with-augmented-division.md

@@ -4,6 +4,7 @@ title: 复合赋值之 /=
 challengeType: 1
 videoUrl: 'https://scrimba.com/c/c2QvKT2'
 forumTopicId: 16659
+dashedName: compound-assignment-with-augmented-division
 ---
 
 # --description--
@@ -56,5 +57,35 @@ assert(
 );
 ```
 
+# --seed--
+
+## --after-user-code--
+
+```js
+(function(a,b,c){ return "a = " + a + ", b = " + b + ", c = " + c; })(a,b,c);
+```
+
+## --seed-contents--
+
+```js
+var a = 48;
+var b = 108;
+var c = 33;
+
+// Only change code below this line
+a = a / 12;
+b = b / 4;
+c = c / 11;
+```
+
 # --solutions--
 
+```js
+var a = 48;
+var b = 108;
+var c = 33;
+
+a /= 12;
+b /= 4;
+c /= 11;
+```

curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/basic-javascript/compound-assignment-with-augmented-multiplication.md

@@ -4,6 +4,7 @@ title: 复合赋值之 *=
 challengeType: 1
 videoUrl: 'https://scrimba.com/c/c83vrfa'
 forumTopicId: 16662
+dashedName: compound-assignment-with-augmented-multiplication
 ---
 
 # --description--
@@ -56,5 +57,35 @@ assert(
 );
 ```
 
+# --seed--
+
+## --after-user-code--
+
+```js
+(function(a,b,c){ return "a = " + a + ", b = " + b + ", c = " + c; })(a,b,c);
+```
+
+## --seed-contents--
+
+```js
+var a = 5;
+var b = 12;
+var c = 4.6;
+
+// Only change code below this line
+a = a * 5;
+b = 3 * b;
+c = c * 10;
+```
+
 # --solutions--
 
+```js
+var a = 5;
+var b = 12;
+var c = 4.6;
+
+a *= 5;
+b *= 3;
+c *= 10;
+```

curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/basic-javascript/compound-assignment-with-augmented-subtraction.md

@@ -4,6 +4,7 @@ title: 复合赋值之 -=
 challengeType: 1
 videoUrl: 'https://scrimba.com/c/c2Qv7AV'
 forumTopicId: 16660
+dashedName: compound-assignment-with-augmented-subtraction
 ---
 
 # --description--
@@ -54,5 +55,35 @@ assert(
 );
 ```
 
+# --seed--
+
+## --after-user-code--
+
+```js
+(function(a,b,c){ return "a = " + a + ", b = " + b + ", c = " + c; })(a,b,c);
+```
+
+## --seed-contents--
+
+```js
+var a = 11;
+var b = 9;
+var c = 3;
+
+// Only change code below this line
+a = a - 6;
+b = b - 15;
+c = c - 1;
+```
+
 # --solutions--
 
+```js
+var a = 11;
+var b = 9;
+var c = 3;
+
+a -= 6;
+b -= 15;
+c -= 1;
+```

curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/basic-javascript/concatenating-strings-with-plus-operator.md

@@ -4,6 +4,7 @@ title: 用加号运算符连接字符串
 challengeType: 1
 videoUrl: 'https://scrimba.com/c/cNpM8AN'
 forumTopicId: 16802
+dashedName: concatenating-strings-with-plus-operator
 ---
 
 # --description--
@@ -49,5 +50,28 @@ assert(/var\s+myStr/.test(code));
 assert(/myStr\s*=/.test(code));
 ```
 
+# --seed--
+
+## --after-user-code--
+
+```js
+(function(){
+  if(typeof myStr === 'string') {
+    return 'myStr = "' + myStr + '"';
+  } else {
+    return 'myStr is not a string';
+  }
+})();
+```
+
+## --seed-contents--
+
+```js
+var myStr; // Change this line
+```
+
 # --solutions--
 
+```js
+var myStr = "This is the start. " + "This is the end.";
+```

curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/basic-javascript/concatenating-strings-with-the-plus-equals-operator.md

@@ -4,6 +4,7 @@ title: 用 += 运算符连接字符串
 challengeType: 1
 videoUrl: 'https://scrimba.com/c/cbQmmC4'
 forumTopicId: 16803
+dashedName: concatenating-strings-with-the-plus-equals-operator
 ---
 
 # --description--
@@ -35,5 +36,31 @@ assert(
 );
 ```
 
+# --seed--
+
+## --after-user-code--
+
+```js
+(function(){
+  if(typeof myStr === 'string') {
+    return 'myStr = "' + myStr + '"';
+  } else {
+    return 'myStr is not a string';
+  }
+})();
+```
+
+## --seed-contents--
+
+```js
+// Only change code below this line
+
+var myStr;
+```
+
 # --solutions--
 
+```js
+var myStr = "This is the first sentence. ";
+myStr += "This is the second sentence.";
+```

curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/basic-javascript/constructing-strings-with-variables.md

@@ -4,6 +4,7 @@ title: 用变量构造字符串
 challengeType: 1
 videoUrl: 'https://scrimba.com/c/cqk8rf4'
 forumTopicId: 16805
+dashedName: constructing-strings-with-variables
 ---
 
 # --description--
@@ -28,5 +29,38 @@ assert(typeof myName !== 'undefined' && myName.length > 2);
 assert(code.match(/["']\s*\+\s*myName\s*\+\s*["']/g).length > 0);
 ```
 
+# --seed--
+
+## --after-user-code--
+
+```js
+(function(){
+  var output = [];
+  if(typeof myName === 'string') {
+    output.push('myName = "' + myName + '"');
+  } else {
+    output.push('myName is not a string');
+  }
+  if(typeof myStr === 'string') {
+    output.push('myStr = "' + myStr + '"');
+  } else {
+    output.push('myStr is not a string');
+  }
+  return output.join('\n');
+})();
+```
+
+## --seed-contents--
+
+```js
+// Only change code below this line
+var myName;
+var myStr;
+```
+
 # --solutions--
 
+```js
+var myName = "Bob";
+var myStr = "My name is " + myName + " and I am well!";
+```

curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/basic-javascript/count-backwards-with-a-for-loop.md

@@ -4,6 +4,7 @@ title: 使用 For 循环反向遍历数组
 challengeType: 1
 videoUrl: 'https://scrimba.com/c/c2R6BHa'
 forumTopicId: 16808
+dashedName: count-backwards-with-a-for-loop
 ---
 
 # --description--
@@ -47,5 +48,28 @@ assert(code.match(/myArray.push/));
 assert.deepEqual(myArray, [9, 7, 5, 3, 1]);
 ```
 
+# --seed--
+
+## --after-user-code--
+
+```js
+if(typeof myArray !== "undefined"){(function(){return myArray;})();}
+```
+
+## --seed-contents--
+
+```js
+// Setup
+var myArray = [];
+
+// Only change code below this line
+```
+
 # --solutions--
 
+```js
+var myArray = [];
+for (var i = 9; i > 0; i -= 2) {
+  myArray.push(i);
+}
+```

curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/basic-javascript/counting-cards.md

@@ -4,6 +4,7 @@ title: 21点游戏
 challengeType: 1
 videoUrl: 'https://scrimba.com/c/c6KE7ty'
 forumTopicId: 16809
+dashedName: counting-cards
 ---
 
 # --description--
@@ -152,5 +153,48 @@ assert(
 );
 ```
 
+# --seed--
+
+## --seed-contents--
+
+```js
+var count = 0;
+
+function cc(card) {
+  // Only change code below this line
+
+
+  return "Change Me";
+  // Only change code above this line
+}
+
+cc(2); cc(3); cc(7); cc('K'); cc('A');
+```
+
 # --solutions--
 
+```js
+var count = 0;
+function cc(card) {
+  switch(card) {
+    case 2:
+    case 3:
+    case 4:
+    case 5:
+    case 6:
+      count++;
+      break;
+    case 10:
+    case 'J':
+    case 'Q':
+    case 'K':
+    case 'A':
+      count--;
+  }
+  if(count > 0) {
+    return count + " Bet";
+  } else {
+    return count + " Hold";
+  }
+}
+```

curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/basic-javascript/create-decimal-numbers-with-javascript.md

@@ -4,6 +4,7 @@ title: 创建一个小数
 challengeType: 1
 videoUrl: 'https://scrimba.com/c/ca8GEuW'
 forumTopicId: 16826
+dashedName: create-decimal-numbers-with-javascript
 ---
 
 # --description--
@@ -31,5 +32,24 @@ assert(typeof myDecimal === 'number');
 assert(myDecimal % 1 != 0);
 ```
 
+# --seed--
+
+## --after-user-code--
+
+```js
+(function(){if(typeof myDecimal !== "undefined"){return myDecimal;}})();
+```
+
+## --seed-contents--
+
+```js
+var ourDecimal = 5.7;
+
+// Only change code below this line
+```
+
 # --solutions--
 
+```js
+var myDecimal = 9.9;
+```

curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/basic-javascript/declare-javascript-variables.md

@@ -4,6 +4,7 @@ title: 声明变量
 challengeType: 1
 videoUrl: 'https://scrimba.com/c/cNanrHq'
 forumTopicId: 17556
+dashedName: declare-javascript-variables
 ---
 
 # --description--
@@ -42,5 +43,21 @@ assert(
 );
 ```
 
+# --seed--
+
+## --after-user-code--
+
+```js
+if(typeof myName !== "undefined"){(function(v){return v;})(myName);}
+```
+
+## --seed-contents--
+
+```js
+```
+
 # --solutions--
 
+```js
+var myName;
+```

curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/basic-javascript/declare-string-variables.md

@@ -4,6 +4,7 @@ title: 声明字符串变量
 challengeType: 1
 videoUrl: 'https://scrimba.com/c/c2QvWU6'
 forumTopicId: 17557
+dashedName: declare-string-variables
 ---
 
 # --description--
@@ -56,5 +57,22 @@ assert(
 );
 ```
 
+# --seed--
+
+## --after-user-code--
+
+```js
+if(typeof myFirstName !== "undefined" && typeof myLastName !== "undefined"){(function(){return myFirstName + ', ' + myLastName;})();}
+```
+
+## --seed-contents--
+
+```js
+```
+
 # --solutions--
 
+```js
+var myFirstName = "Alan";
+var myLastName = "Turing";
+```

curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/basic-javascript/decrement-a-number-with-javascript.md

@@ -4,6 +4,7 @@ title: 数字递减
 challengeType: 1
 videoUrl: 'https://scrimba.com/c/cM2KeS2'
 forumTopicId: 17558
+dashedName: decrement-a-number-with-javascript
 ---
 
 # --description--
@@ -51,5 +52,26 @@ assert(/[-]{2}\s*myVar|myVar\s*[-]{2}/.test(code));
 assert(/var myVar = 11;/.test(code));
 ```
 
+# --seed--
+
+## --after-user-code--
+
+```js
+(function(z){return 'myVar = ' + z;})(myVar);
+```
+
+## --seed-contents--
+
+```js
+var myVar = 11;
+
+// Only change code below this line
+myVar = myVar - 1;
+```
+
 # --solutions--
 
+```js
+var myVar = 11;
+myVar--;
+```

curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/basic-javascript/delete-properties-from-a-javascript-object.md

@@ -4,6 +4,7 @@ title: 删除对象的属性
 challengeType: 1
 videoUrl: 'https://scrimba.com/c/cDqKdTv'
 forumTopicId: 17560
+dashedName: delete-properties-from-a-javascript-object
 ---
 
 # --description--
@@ -30,5 +31,38 @@ assert(typeof myDog === 'object' && myDog.tails === undefined);
 assert(code.match(/"tails": 1/g).length > 1);
 ```
 
+# --seed--
+
+## --after-user-code--
+
+```js
+(function(z){return z;})(myDog);
+```
+
+## --seed-contents--
+
+```js
+// Setup
+var myDog = {
+  "name": "Happy Coder",
+  "legs": 4,
+  "tails": 1,
+  "friends": ["freeCodeCamp Campers"],
+  "bark": "woof"
+};
+
+// Only change code below this line
+```
+
 # --solutions--
 
+```js
+var myDog = {
+  "name": "Happy Coder",
+  "legs": 4,
+  "tails": 1,
+  "friends": ["freeCodeCamp Campers"],
+  "bark": "woof"
+};
+delete myDog.tails;
+```

curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/basic-javascript/divide-one-decimal-by-another-with-javascript.md

@@ -4,6 +4,7 @@ title: 两个小数相除
 challengeType: 1
 videoUrl: 'https://scrimba.com/c/cBZe9AW'
 forumTopicId: 18255
+dashedName: divide-one-decimal-by-another-with-javascript
 ---
 
 # --description--
@@ -34,5 +35,22 @@ quotient 变量应该只被赋值一次。
 assert(code.match(/quotient/g).length === 1);
 ```
 
+# --seed--
+
+## --after-user-code--
+
+```js
+(function(y){return 'quotient = '+y;})(quotient);
+```
+
+## --seed-contents--
+
+```js
+var quotient = 0.0 / 2.0; // Change this line
+```
+
 # --solutions--
 
+```js
+var quotient = 4.4 / 2.0;
+```

curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/basic-javascript/divide-one-number-by-another-with-javascript.md

@@ -4,6 +4,7 @@ title: 除法运算
 challengeType: 1
 videoUrl: 'https://scrimba.com/c/cqkbdAr'
 forumTopicId: 17566
+dashedName: divide-one-number-by-another-with-javascript
 ---
 
 # --description--
@@ -36,5 +37,22 @@ assert(quotient === 2);
 assert(/\d+\s*\/\s*\d+/.test(code));
 ```
 
+# --seed--
+
+## --after-user-code--
+
+```js
+(function(z){return 'quotient = '+z;})(quotient);
+```
+
+## --seed-contents--
+
+```js
+var quotient = 66 / 0;
+```
+
 # --solutions--
 
+```js
+var quotient = 66 / 33;
+```

curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/basic-javascript/escape-sequences-in-strings.md

@@ -4,6 +4,7 @@ title: 字符串中的转义序列
 challengeType: 1
 videoUrl: 'https://scrimba.com/c/cvmqRh6'
 forumTopicId: 17567
+dashedName: escape-sequences-in-strings
 ---
 
 # --description--
@@ -72,5 +73,24 @@ assert(/SecondLine\nThirdLine/.test(myStr));
 assert(myStr === 'FirstLine\n\t\\SecondLine\nThirdLine');
 ```
 
+# --seed--
+
+## --after-user-code--
+
+```js
+(function(){
+if (myStr !== undefined){
+console.log('myStr:\n' + myStr);}})();
+```
+
+## --seed-contents--
+
+```js
+var myStr; // Change this line
+```
+
 # --solutions--
 
+```js
+var myStr = "FirstLine\n\t\\SecondLine\nThirdLine";
+```

curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/basic-javascript/escaping-literal-quotes-in-strings.md

@@ -4,6 +4,7 @@ title: 转义字符串中的引号
 challengeType: 1
 videoUrl: 'https://scrimba.com/c/c2QvgSr'
 forumTopicId: 17568
+dashedName: escaping-literal-quotes-in-strings
 ---
 
 # --description--
@@ -38,5 +39,28 @@ assert(code.match(/\\"/g).length === 4 && code.match(/[^\\]"/g).length === 2);
 assert(myStr === 'I am a "double quoted" string inside "double quotes".');
 ```
 
+# --seed--
+
+## --after-user-code--
+
+```js
+(function(){
+  if(typeof myStr === 'string') {
+    console.log("myStr = \"" + myStr + "\"");
+  } else {
+    console.log("myStr is undefined");
+  }
+})();
+```
+
+## --seed-contents--
+
+```js
+var myStr = ""; // Change this line
+```
+
 # --solutions--
 
+```js
+var myStr = "I am a \"double quoted\" string inside \"double quotes\".";
+```

curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/basic-javascript/find-the-length-of-a-string.md

@@ -4,6 +4,7 @@ title: 查找字符串的长度
 challengeType: 1
 videoUrl: 'https://scrimba.com/c/cvmqEAd'
 forumTopicId: 18182
+dashedName: find-the-length-of-a-string
 ---
 
 # --description--
@@ -41,5 +42,24 @@ assert(typeof lastNameLength !== 'undefined' && lastNameLength === 8);
 assert(code.match(/=\s*lastName\.length/g) && !code.match(/lastName\s*=\s*8/));
 ```
 
+# --seed--
+
+## --seed-contents--
+
+```js
+// Setup
+var lastNameLength = 0;
+var lastName = "Lovelace";
+
+// Only change code below this line
+
+lastNameLength = lastName;
+```
+
 # --solutions--
 
+```js
+var lastNameLength = 0;
+var lastName = "Lovelace";
+lastNameLength = lastName.length;
+```

curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/basic-javascript/finding-a-remainder-in-javascript.md

@@ -4,6 +4,7 @@ title: 求余运算
 challengeType: 1
 videoUrl: 'https://scrimba.com/c/cWP24Ub'
 forumTopicId: 18184
+dashedName: finding-a-remainder-in-javascript
 ---
 
 # --description--
@@ -46,5 +47,24 @@ assert(remainder === 2);
 assert(/\s+?remainder\s*?=\s*?.*%.*;/.test(code));
 ```
 
+# --seed--
+
+## --after-user-code--
+
+```js
+(function(y){return 'remainder = '+y;})(remainder);
+```
+
+## --seed-contents--
+
+```js
+// Only change code below this line
+
+var remainder;
+```
+
 # --solutions--
 
+```js
+var remainder =  11 % 3;
+```

curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/basic-javascript/generate-random-fractions-with-javascript.md

@@ -4,6 +4,7 @@ title: 使用 JavaScript 生成随机分数
 challengeType: 1
 videoUrl: 'https://scrimba.com/c/cyWJJs3'
 forumTopicId: 18185
+dashedName: generate-random-fractions-with-javascript
 ---
 
 # --description--
@@ -39,5 +40,31 @@ assert((randomFraction() + '').match(/\./g));
 assert(code.match(/Math\.random/g).length >= 0);
 ```
 
+# --seed--
+
+## --after-user-code--
+
+```js
+(function(){return randomFraction();})();
+```
+
+## --seed-contents--
+
+```js
+function randomFraction() {
+
+  // Only change code below this line
+
+  return 0;
+
+  // Only change code above this line
+}
+```
+
 # --solutions--
 
+```js
+function randomFraction() {
+  return Math.random();
+}
+```

curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/basic-javascript/generate-random-whole-numbers-with-javascript.md

@@ -4,6 +4,7 @@ title: 使用 JavaScript 生成随机整数
 challengeType: 1
 videoUrl: 'https://scrimba.com/c/cRn6bfr'
 forumTopicId: 18186
+dashedName: generate-random-whole-numbers-with-javascript
 ---
 
 # --description--
@@ -59,5 +60,29 @@ assert(
 assert(code.match(/Math.floor/g).length > 1);
 ```
 
+# --seed--
+
+## --after-user-code--
+
+```js
+(function(){return randomWholeNum();})();
+```
+
+## --seed-contents--
+
+```js
+function randomWholeNum() {
+
+  // Only change code below this line
+
+  return Math.random();
+}
+```
+
 # --solutions--
 
+```js
+function randomWholeNum() {
+  return Math.floor(Math.random() * 10);
+}
+```

curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/basic-javascript/generate-random-whole-numbers-within-a-range.md

@@ -4,6 +4,7 @@ title: 生成某个范围内的随机整数
 challengeType: 1
 videoUrl: 'https://scrimba.com/c/cm83yu6'
 forumTopicId: 18187
+dashedName: generate-random-whole-numbers-within-a-range
 ---
 
 # --description--
@@ -59,5 +60,41 @@ assert(
 );
 ```
 
+# --seed--
+
+## --after-user-code--
+
+```js
+var calcMin = 100;
+var calcMax = -100;
+for(var i = 0; i < 100; i++) {
+  var result = randomRange(5,15);
+  calcMin = Math.min(calcMin, result);
+  calcMax = Math.max(calcMax, result);
+}
+(function(){
+  if(typeof myRandom === 'number') {
+    return "myRandom = " + myRandom;
+  } else {
+    return "myRandom undefined";
+  }
+})()
+```
+
+## --seed-contents--
+
+```js
+function randomRange(myMin, myMax) {
+  // Only change code below this line
+  return 0;
+  // Only change code above this line
+}
+```
+
 # --solutions--
 
+```js
+function randomRange(myMin, myMax) {
+  return Math.floor(Math.random() * (myMax - myMin + 1)) + myMin;
+}
+```

curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/basic-javascript/global-scope-and-functions.md

@@ -4,6 +4,7 @@ title: 全局作用域和函数
 challengeType: 1
 videoUrl: 'https://scrimba.com/c/cQM7mCN'
 forumTopicId: 18193
+dashedName: global-scope-and-functions
 ---
 
 # --description--
@@ -44,5 +45,84 @@ assert(/var\s+myGlobal/.test(code));
 assert(typeof oopsGlobal != 'undefined' && oopsGlobal === 5);
 ```
 
+# --seed--
+
+## --before-user-code--
+
+```js
+var logOutput = "";
+var originalConsole = console
+function capture() {
+    var nativeLog = console.log;
+    console.log = function (message) {
+        logOutput = message;
+        if(nativeLog.apply) {
+          nativeLog.apply(originalConsole, arguments);
+        } else {
+          var nativeMsg = Array.prototype.slice.apply(arguments).join(' ');
+          nativeLog(nativeMsg);
+        }
+    };
+}
+
+function uncapture() {
+  console.log = originalConsole.log;
+}
+var oopsGlobal;
+capture();
+```
+
+## --after-user-code--
+
+```js
+fun1();
+fun2();
+uncapture();
+(function() { return logOutput || "console.log never called"; })();
+```
+
+## --seed-contents--
+
+```js
+// Declare the myGlobal variable below this line
+
+
+function fun1() {
+  // Assign 5 to oopsGlobal Here
+
+}
+
+// Only change code above this line
+
+function fun2() {
+  var output = "";
+  if (typeof myGlobal != "undefined") {
+    output += "myGlobal: " + myGlobal;
+  }
+  if (typeof oopsGlobal != "undefined") {
+    output += " oopsGlobal: " + oopsGlobal;
+  }
+  console.log(output);
+}
+```
+
 # --solutions--
 
+```js
+var myGlobal = 10;
+
+function fun1() {
+  oopsGlobal = 5;
+}
+
+function fun2() {
+  var output = "";
+  if(typeof myGlobal != "undefined") {
+    output += "myGlobal: " + myGlobal;
+  }
+  if(typeof oopsGlobal != "undefined") {
+    output += " oopsGlobal: " + oopsGlobal;
+  }
+  console.log(output);
+}
+```

curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/basic-javascript/global-vs.-local-scope-in-functions.md

@@ -4,6 +4,7 @@ title: 函数中的全局作用域和局部作用域
 challengeType: 1
 videoUrl: 'https://scrimba.com/c/c2QwKH2'
 forumTopicId: 18194
+dashedName: global-vs--local-scope-in-functions
 ---
 
 # --description--
@@ -46,5 +47,32 @@ assert(myOutfit() === 'sweater');
 assert(/return outerWear/.test(code));
 ```
 
+# --seed--
+
+## --seed-contents--
+
+```js
+// Setup
+var outerWear = "T-Shirt";
+
+function myOutfit() {
+  // Only change code below this line
+
+
+
+  // Only change code above this line
+  return outerWear;
+}
+
+myOutfit();
+```
+
 # --solutions--
 
+```js
+var outerWear = "T-Shirt";
+function myOutfit() {
+  var outerWear = "sweater";
+  return outerWear;
+}
+```

curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/basic-javascript/golf-code.md

@@ -4,6 +4,7 @@ title: 高尔夫代码
 challengeType: 1
 videoUrl: 'https://scrimba.com/c/c9ykNUR'
 forumTopicId: 18195
+dashedName: golf-code
 ---
 
 # --description--
@@ -84,5 +85,51 @@ assert(golfScore(4, 7) === 'Go Home!');
 assert(golfScore(5, 9) === 'Go Home!');
 ```
 
+# --seed--
+
+## --seed-contents--
+
+```js
+var names = ["Hole-in-one!", "Eagle", "Birdie", "Par", "Bogey", "Double Bogey", "Go Home!"];
+function golfScore(par, strokes) {
+  // Only change code below this line
+
+
+  return "Change Me";
+  // Only change code above this line
+}
+
+golfScore(5, 4);
+```
+
 # --solutions--
 
+```js
+function golfScore(par, strokes) {
+  if (strokes === 1) {
+    return "Hole-in-one!";
+  }
+
+  if (strokes <= par - 2) {
+    return "Eagle";
+  }
+
+  if (strokes === par - 1) {
+    return "Birdie";
+  }
+
+  if (strokes === par) {
+    return "Par";
+  }
+
+  if (strokes === par + 1) {
+    return "Bogey";
+  }
+
+  if(strokes === par + 2) {
+    return "Double Bogey";
+  }
+
+  return "Go Home!";
+}
+```

curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/basic-javascript/increment-a-number-with-javascript.md

@@ -4,6 +4,7 @@ title: 数字递增
 challengeType: 1
 videoUrl: 'https://scrimba.com/c/ca8GLT9'
 forumTopicId: 18201
+dashedName: increment-a-number-with-javascript
 ---
 
 # --description--
@@ -52,5 +53,26 @@ assert(/[+]{2}\s*myVar|myVar\s*[+]{2}/.test(code));
 assert(/var myVar = 87;/.test(code));
 ```
 
+# --seed--
+
+## --after-user-code--
+
+```js
+(function(z){return 'myVar = ' + z;})(myVar);
+```
+
+## --seed-contents--
+
+```js
+var myVar = 87;
+
+// Only change code below this line
+myVar = myVar + 1;
+```
+
 # --solutions--
 
+```js
+var myVar = 87;
+myVar++;
+```

curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/basic-javascript/initializing-variables-with-the-assignment-operator.md

@@ -4,6 +4,7 @@ title: 使用赋值运算符初始化变量
 challengeType: 1
 videoUrl: 'https://scrimba.com/c/cWJ4Bfb'
 forumTopicId: 301171
+dashedName: initializing-variables-with-the-assignment-operator
 ---
 
 # --description--
@@ -26,5 +27,21 @@ forumTopicId: 301171
 assert(/var\s+a\s*=\s*9\s*/.test(code));
 ```
 
+# --seed--
+
+## --after-user-code--
+
+```js
+if(typeof a !== 'undefined') {(function(a){return "a = " + a;})(a);} else { (function() {return 'a is undefined';})(); }
+```
+
+## --seed-contents--
+
+```js
+```
+
 # --solutions--
 
+```js
+var a = 9;
+```

curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/basic-javascript/introducing-else-if-statements.md

@@ -4,6 +4,7 @@ title: 介绍 else if 语句
 challengeType: 1
 videoUrl: 'https://scrimba.com/c/caeJ2hm'
 forumTopicId: 18206
+dashedName: introducing-else-if-statements
 ---
 
 # --description--
@@ -74,5 +75,36 @@ assert(testElseIf(12) === 'Greater than 10');
 assert(testElseIf(12) === 'Greater than 10');
 ```
 
+# --seed--
+
+## --seed-contents--
+
+```js
+function testElseIf(val) {
+  if (val > 10) {
+    return "Greater than 10";
+  }
+
+  if (val < 5) {
+    return "Smaller than 5";
+  }
+
+  return "Between 5 and 10";
+}
+
+testElseIf(7);
+```
+
 # --solutions--
 
+```js
+function testElseIf(val) {
+  if(val > 10) {
+    return "Greater than 10";
+  } else if(val < 5) {
+    return "Smaller than 5";
+  } else {
+    return "Between 5 and 10";
+  }
+}
+```

curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/basic-javascript/introducing-else-statements.md

@@ -4,6 +4,7 @@ title: 介绍 else 语句
 challengeType: 1
 videoUrl: 'https://scrimba.com/c/cek4Efq'
 forumTopicId: 18207
+dashedName: introducing-else-statements
 ---
 
 # --description--
@@ -66,5 +67,40 @@ assert(testElse(10) === 'Bigger than 5');
 assert(/var result = "";/.test(code) && /return result;/.test(code));
 ```
 
+# --seed--
+
+## --seed-contents--
+
+```js
+function testElse(val) {
+  var result = "";
+  // Only change code below this line
+
+  if (val > 5) {
+    result = "Bigger than 5";
+  }
+
+  if (val <= 5) {
+    result = "5 or Smaller";
+  }
+
+  // Only change code above this line
+  return result;
+}
+
+testElse(4);
+```
+
 # --solutions--
 
+```js
+function testElse(val) {
+  var result = "";
+  if(val > 5) {
+    result = "Bigger than 5";
+  } else {
+    result = "5 or Smaller";
+  }
+  return result;
+}
+```

curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/basic-javascript/iterate-odd-numbers-with-a-for-loop.md

@@ -4,6 +4,7 @@ title: 使用 For 循环遍历数组的奇数
 challengeType: 1
 videoUrl: 'https://scrimba.com/c/cm8n7T9'
 forumTopicId: 18212
+dashedName: iterate-odd-numbers-with-a-for-loop
 ---
 
 # --description--
@@ -41,5 +42,28 @@ assert(code.match(/for\s*\(/g).length > 1);
 assert.deepEqual(myArray, [1, 3, 5, 7, 9]);
 ```
 
+# --seed--
+
+## --after-user-code--
+
+```js
+if(typeof myArray !== "undefined"){(function(){return myArray;})();}
+```
+
+## --seed-contents--
+
+```js
+// Setup
+var myArray = [];
+
+// Only change code below this line
+```
+
 # --solutions--
 
+```js
+var myArray = [];
+for (var i = 1; i < 10; i += 2) {
+  myArray.push(i);
+}
+```

curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/basic-javascript/iterate-through-an-array-with-a-for-loop.md

@@ -4,6 +4,7 @@ title: 使用 For 循环遍历数组
 challengeType: 1
 videoUrl: 'https://scrimba.com/c/caeR3HB'
 forumTopicId: 18216
+dashedName: iterate-through-an-array-with-a-for-loop
 ---
 
 # --description--
@@ -49,5 +50,30 @@ assert(code.match(/for\s*\(/g).length > 1 && code.match(/myArr\s*\[/));
 assert(!code.match(/total[\s\+\-]*=\s*(\d(?!\s*[;,])|[1-9])/g));
 ```
 
+# --seed--
+
+## --after-user-code--
+
+```js
+(function(){if(typeof total !== 'undefined') { return "total = " + total; } else { return "total is undefined";}})()
+```
+
+## --seed-contents--
+
+```js
+// Setup
+var myArr = [ 2, 3, 4, 5, 6];
+
+// Only change code below this line
+```
+
 # --solutions--
 
+```js
+var myArr = [ 2, 3, 4, 5, 6];
+var total = 0;
+
+for (var i = 0; i < myArr.length; i++) {
+  total += myArr[i];
+}
+```

curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/basic-javascript/iterate-with-javascript-do...while-loops.md

@@ -4,6 +4,7 @@ title: do...while 循环
 challengeType: 1
 videoUrl: 'https://scrimba.com/c/cDqWGcp'
 forumTopicId: 301172
+dashedName: iterate-with-javascript-do---while-loops
 ---
 
 # --description--
@@ -67,5 +68,35 @@ assert.deepEqual(myArray, [10]);
 assert.deepEqual(i, 11);
 ```
 
+# --seed--
+
+## --after-user-code--
+
+```js
+if(typeof myArray !== "undefined"){(function(){return myArray;})();}
+```
+
+## --seed-contents--
+
+```js
+// Setup
+var myArray = [];
+var i = 10;
+
+// Only change code below this line
+while (i < 5) {
+  myArray.push(i);
+  i++;
+}
+```
+
 # --solutions--
 
+```js
+var myArray = [];
+var i = 10;
+do {
+  myArray.push(i);
+  i++;
+} while (i < 5)
+```

curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/basic-javascript/iterate-with-javascript-for-loops.md

@@ -4,6 +4,7 @@ title: for 循环
 challengeType: 1
 videoUrl: 'https://scrimba.com/c/c9yNVCe'
 forumTopicId: 18219
+dashedName: iterate-with-javascript-for-loops
 ---
 
 # --description--
@@ -51,5 +52,28 @@ assert(code.match(/for\s*\(/g).length > 1);
 assert.deepEqual(myArray, [1, 2, 3, 4, 5]);
 ```
 
+# --seed--
+
+## --after-user-code--
+
+```js
+if (typeof myArray !== "undefined"){(function(){return myArray;})();}
+```
+
+## --seed-contents--
+
+```js
+// Setup
+var myArray = [];
+
+// Only change code below this line
+```
+
 # --solutions--
 
+```js
+var myArray = [];
+for (var i = 1; i < 6; i++) {
+  myArray.push(i);
+}
+```

curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/basic-javascript/iterate-with-javascript-while-loops.md

@@ -4,6 +4,7 @@ title: while 循环
 challengeType: 1
 videoUrl: 'https://scrimba.com/c/c8QbnCM'
 forumTopicId: 18220
+dashedName: iterate-with-javascript-while-loops
 ---
 
 # --description--
@@ -43,5 +44,30 @@ assert(code.match(/while/g));
 assert.deepEqual(myArray, [0, 1, 2, 3, 4]);
 ```
 
+# --seed--
+
+## --after-user-code--
+
+```js
+if(typeof myArray !== "undefined"){(function(){return myArray;})();}
+```
+
+## --seed-contents--
+
+```js
+// Setup
+var myArray = [];
+
+// Only change code below this line
+```
+
 # --solutions--
 
+```js
+var myArray = [];
+var i = 5;
+while(i >= 0) {
+  myArray.push(i);
+  i--;
+}
+```

curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/basic-javascript/local-scope-and-functions.md

@@ -4,6 +4,7 @@ title: 局部作用域和函数
 challengeType: 1
 videoUrl: 'https://scrimba.com/c/cd62NhM'
 forumTopicId: 18227
+dashedName: local-scope-and-functions
 ---
 
 # --description--
@@ -44,5 +45,36 @@ assert(typeof myVar === 'undefined');
 assert(/var\s+myVar/.test(code));
 ```
 
+# --seed--
+
+## --seed-contents--
+
+```js
+function myLocalScope() {
+
+  // Only change code below this line
+
+  console.log('inside myLocalScope', myVar);
+}
+myLocalScope();
+
+// Run and check the console
+// myVar is not defined outside of myLocalScope
+console.log('outside myLocalScope', myVar);
+```
+
 # --solutions--
 
+```js
+function myLocalScope() {
+
+  // Only change code below this line
+  var myVar;
+  console.log('inside myLocalScope', myVar);
+}
+myLocalScope();
+
+// Run and check the console
+// myVar is not defined outside of myLocalScope
+console.log('outside myLocalScope', myVar);
+```

curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/basic-javascript/logical-order-in-if-else-statements.md

@@ -4,6 +4,7 @@ title: if else 语句中的逻辑顺序
 challengeType: 1
 videoUrl: 'https://scrimba.com/c/cwNvMUV'
 forumTopicId: 18228
+dashedName: logical-order-in-if-else-statements
 ---
 
 # --description--
@@ -73,5 +74,34 @@ assert(orderMyLogic(6) === 'Less than 10');
 assert(orderMyLogic(11) === 'Greater than or equal to 10');
 ```
 
+# --seed--
+
+## --seed-contents--
+
+```js
+function orderMyLogic(val) {
+  if (val < 10) {
+    return "Less than 10";
+  } else if (val < 5) {
+    return "Less than 5";
+  } else {
+    return "Greater than or equal to 10";
+  }
+}
+
+orderMyLogic(7);
+```
+
 # --solutions--
 
+```js
+function orderMyLogic(val) {
+  if(val < 5) {
+    return "Less than 5";
+  } else if (val < 10) {
+    return "Less than 10";
+  } else {
+    return "Greater than or equal to 10";
+  }
+}
+```

curriculum/challenges/chinese/02-javascript-algorithms-and-data-structures/basic-javascript/manipulate-arrays-with-pop.md

@@ -4,6 +4,7 @@ title: 使用 pop() 操作数组
 challengeType: 1
 videoUrl: 'https://scrimba.com/c/cRbVZAB'
 forumTopicId: 18236
+dashedName: manipulate-arrays-with-pop
 ---
 
 # --description--
@@ -61,5 +62,27 @@ assert(
 );
 ```
 
+# --seed--
+
+## --after-user-code--
+
+```js
+(function(y, z){return 'myArray = ' + JSON.stringify(y) + ' & removedFromMyArray = ' + JSON.stringify(z);})(myArray, removedFromMyArray);
+```
+
+## --seed-contents--
+
+```js
+// Setup
+var myArray = [["John", 23], ["cat", 2]];
+
+// Only change code below this line
+var removedFromMyArray;
+```
+
 # --solutions--
 
+```js
+var myArray = [["John", 23], ["cat", 2]];
+var removedFromMyArray = myArray.pop();
+```