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fix(curriculum): Consolidated comments for JavaScript Algorithms and Data Structures challenges - part 4 of 4 (#38267)

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* fix: consolidate comments


Co-authored-by: Parth Parth <34807532+thecodingaviator@users.noreply.github.com>
This commit is contained in:
Randell Dawson
2020-03-08 07:46:28 -07:00
committed by GitHub
parent dbf3815fc7
commit 9252f96566
51 changed files with 121 additions and 178 deletions
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4
curriculum/challenges/english/02-javascript-algorithms-and-data-structures/functional-programming/add-elements-to-the-end-of-an-array-using-concat-instead-of-push.english.md
View File

@@ -52,10 +52,10 @@ tests:
```js
function nonMutatingPush(original, newItem) {
// Add your code below this line
// Only change code below this line
return original.push(newItem);
// Add your code above this line
// Only change code above this line
}
var first = [1, 2, 3];
var second = [4, 5];

13
curriculum/challenges/english/02-javascript-algorithms-and-data-structures/functional-programming/apply-functional-programming-to-convert-strings-to-url-slugs.english.md
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@@ -49,15 +49,15 @@ tests:
<div id='js-seed'>
```js
// the global variable
// The global variable
var globalTitle = "Winter Is Coming";
// Add your code below this line
// Only change code below this line
function urlSlug(title) {
}
// Add your code above this line
// Only change code above this line
var winterComing = urlSlug(globalTitle); // Should be "winter-is-coming"
```
@@ -72,16 +72,13 @@ var winterComing = urlSlug(globalTitle); // Should be "winter-is-coming"
<section id='solution'>
```js
// the global variable
// The global variable
var globalTitle = "Winter Is Coming";
// Add your code below this line
// Only change code below this line
function urlSlug(title) {
return title.trim().split(/\s+/).join("-").toLowerCase();
}
// Add your code above this line
var winterComing = urlSlug(globalTitle); // Should be "winter-is-coming"
```
</section>

6
curriculum/challenges/english/02-javascript-algorithms-and-data-structures/functional-programming/avoid-mutations-and-side-effects-using-functional-programming.english.md
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@@ -40,14 +40,14 @@ tests:
<div id='js-seed'>
```js
// the global variable
// The global variable
var fixedValue = 4;
function incrementer () {
// Add your code below this line
// Only change code below this line
// Add your code above this line
// Only change code above this line
}
var newValue = incrementer(); // Should equal 5

8
curriculum/challenges/english/02-javascript-algorithms-and-data-structures/functional-programming/combine-an-array-into-a-string-using-the-join-method.english.md
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@@ -52,10 +52,10 @@ tests:
```js
function sentensify(str) {
// Add your code below this line
// Only change code below this line
// Add your code above this line
// Only change code above this line
}
sentensify("May-the-force-be-with-you");
```
@@ -71,9 +71,9 @@ sentensify("May-the-force-be-with-you");
```js
function sentensify(str) {
// Add your code below this line
// Only change code below this line
return str.split(/\W/).join(' ');
// Add your code above this line
// Only change code above this line
}
```

8
curriculum/challenges/english/02-javascript-algorithms-and-data-structures/functional-programming/combine-two-arrays-using-the-concat-method.english.md
View File

@@ -46,10 +46,10 @@ tests:
```js
function nonMutatingConcat(original, attach) {
// Add your code below this line
// Only change code below this line
// Add your code above this line
// Only change code above this line
}
var first = [1, 2, 3];
var second = [4, 5];
@@ -67,9 +67,9 @@ nonMutatingConcat(first, second);
```js
function nonMutatingConcat(original, attach) {
// Add your code below this line
// Only change code below this line
return original.concat(attach);
// Add your code above this line
// Only change code above this line
}
var first = [1, 2, 3];
var second = [4, 5];

10
curriculum/challenges/english/02-javascript-algorithms-and-data-structures/functional-programming/implement-map-on-a-prototype.english.md
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@@ -38,14 +38,14 @@ tests:
<div id='js-seed'>
```js
// the global Array
// The global variable
var s = [23, 65, 98, 5];
Array.prototype.myMap = function(callback){
var newArray = [];
// Add your code below this line
// Only change code below this line
// Add your code above this line
// Only change code above this line
return newArray;
};
@@ -70,11 +70,11 @@ var s = [23, 65, 98, 5];
Array.prototype.myMap = function(callback){
var newArray = [];
// Add your code below this line
// Only change code below this line
for (var elem of this) {
newArray.push(callback(elem));
}
// Add your code above this line
// Only change code above this line
return newArray;
};

11
curriculum/challenges/english/02-javascript-algorithms-and-data-structures/functional-programming/implement-the-filter-method-on-a-prototype.english.md
View File

@@ -36,14 +36,13 @@ tests:
<div id='js-seed'>
```js
// the global Array
// The global variable
var s = [23, 65, 98, 5];
Array.prototype.myFilter = function(callback){
// Only change code below this line
var newArray = [];
// Add your code below this line
// Add your code above this line
// Only change code above this line
return newArray;
};
@@ -68,12 +67,12 @@ var s = [23, 65, 98, 5];
Array.prototype.myFilter = function(callback){
var newArray = [];
// Add your code below this line
// Only change code below this line
for (let i = 0;i<this.length;i++) {
if (callback(this[i]))
newArray.push(this[i]);
}
// Add your code above this line
// Only change code above this line
return newArray;
};

4
curriculum/challenges/english/02-javascript-algorithms-and-data-structures/functional-programming/introduction-to-currying-and-partial-application.english.md
View File

@@ -81,10 +81,10 @@ tests:
```js
function add(x) {
// Add your code below this line
// Only change code below this line
// Add your code above this line
// Only change code above this line
}
add(10)(20)(30);
```

2
curriculum/challenges/english/02-javascript-algorithms-and-data-structures/functional-programming/learn-about-functional-programming.english.md
View File

@@ -62,8 +62,6 @@ const getTea = (numOfCups) => {
// Only change code below this line
const tea4TeamFCC = null;
// Only change code above this line
console.log(tea4TeamFCC);
```
</div>

8
curriculum/challenges/english/02-javascript-algorithms-and-data-structures/functional-programming/pass-arguments-to-avoid-external-dependence-in-a-function.english.md
View File

@@ -43,14 +43,14 @@ tests:
<div id='js-seed'>
```js
// the global variable
// The global variable
var fixedValue = 4;
// Add your code below this line
// Only change code below this line
function incrementer () {
// Add your code above this line
// Only change code above this line
}
var newValue = incrementer(fixedValue); // Should equal 5
@@ -67,7 +67,7 @@ console.log(fixedValue); // Should print 4
<section id='solution'>
```js
// the global variable
// The global variable
var fixedValue = 4;
const incrementer = val => val + 1;

2
curriculum/challenges/english/02-javascript-algorithms-and-data-structures/functional-programming/refactor-global-variables-out-of-functions.english.md
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@@ -45,7 +45,7 @@ tests:
<div id='js-seed'>
```js
// the global variable
// The global variable
var bookList = ["The Hound of the Baskervilles", "On The Electrodynamics of Moving Bodies", "Philosophiæ Naturalis Principia Mathematica", "Disquisitiones Arithmeticae"];
// Change code below this line

8
curriculum/challenges/english/02-javascript-algorithms-and-data-structures/functional-programming/remove-elements-from-an-array-using-slice-instead-of-splice.english.md
View File

@@ -49,10 +49,10 @@ tests:
```js
function nonMutatingSplice(cities) {
// Add your code below this line
// Only change code below this line
return cities.splice(3);
// Add your code above this line
// Only change code above this line
}
var inputCities = ["Chicago", "Delhi", "Islamabad", "London", "Berlin"];
nonMutatingSplice(inputCities);
@@ -69,9 +69,9 @@ nonMutatingSplice(inputCities);
```js
function nonMutatingSplice(cities) {
// Add your code below this line
// Only change code below this line
return cities.slice(0,3);
// Add your code above this line
// Only change code above this line
}
var inputCities = ["Chicago", "Delhi", "Islamabad", "London", "Berlin"];
nonMutatingSplice(inputCities);

8
curriculum/challenges/english/02-javascript-algorithms-and-data-structures/functional-programming/return-a-sorted-array-without-changing-the-original-array.english.md
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@@ -43,10 +43,10 @@ tests:
```js
var globalArray = [5, 6, 3, 2, 9];
function nonMutatingSort(arr) {
// Add your code below this line
// Only change code below this line
// Add your code above this line
// Only change code above this line
}
nonMutatingSort(globalArray);
```
@@ -63,9 +63,9 @@ nonMutatingSort(globalArray);
```js
var globalArray = [5, 6, 3, 2, 9];
function nonMutatingSort(arr) {
// Add your code below this line
// Only change code below this line
return [].concat(arr).sort((a,b) => a-b);
// Add your code above this line
// Only change code above this line
}
nonMutatingSort(globalArray);
```

8
curriculum/challenges/english/02-javascript-algorithms-and-data-structures/functional-programming/return-part-of-an-array-using-the-slice-method.english.md
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@@ -50,10 +50,10 @@ tests:
```js
function sliceArray(anim, beginSlice, endSlice) {
// Add your code below this line
// Only change code below this line
// Add your code above this line
// Only change code above this line
}
var inputAnim = ["Cat", "Dog", "Tiger", "Zebra", "Ant"];
sliceArray(inputAnim, 1, 3);
@@ -70,9 +70,9 @@ sliceArray(inputAnim, 1, 3);
```js
function sliceArray(anim, beginSlice, endSlice) {
// Add your code below this line
// Only change code below this line
return anim.slice(beginSlice, endSlice)
// Add your code above this line
// Only change code above this line
}
var inputAnim = ["Cat", "Dog", "Tiger", "Zebra", "Ant"];
sliceArray(inputAnim, 1, 3);

8
curriculum/challenges/english/02-javascript-algorithms-and-data-structures/functional-programming/sort-an-array-alphabetically-using-the-sort-method.english.md
View File

@@ -65,10 +65,10 @@ tests:
```js
function alphabeticalOrder(arr) {
// Add your code below this line
// Only change code below this line
// Add your code above this line
// Only change code above this line
}
alphabeticalOrder(["a", "d", "c", "a", "z", "g"]);
```
@@ -84,9 +84,9 @@ alphabeticalOrder(["a", "d", "c", "a", "z", "g"]);
```js
function alphabeticalOrder(arr) {
// Add your code below this line
// Only change code below this line
return arr.sort();
// Add your code above this line
// Only change code above this line
}
alphabeticalOrder(["a", "d", "c", "a", "z", "g"]);
```

8
curriculum/challenges/english/02-javascript-algorithms-and-data-structures/functional-programming/split-a-string-into-an-array-using-the-split-method.english.md
View File

@@ -53,10 +53,10 @@ tests:
```js
function splitify(str) {
// Add your code below this line
// Only change code below this line
// Add your code above this line
// Only change code above this line
}
splitify("Hello World,I-am code");
```
@@ -72,9 +72,9 @@ splitify("Hello World,I-am code");
```js
function splitify(str) {
// Add your code below this line
// Only change code below this line
return str.split(/\W/);
// Add your code above this line
// Only change code above this line
}
```

8
curriculum/challenges/english/02-javascript-algorithms-and-data-structures/functional-programming/use-the-every-method-to-check-that-every-element-in-an-array-meets-a-criteria.english.md
View File

@@ -50,10 +50,10 @@ tests:
```js
function checkPositive(arr) {
// Add your code below this line
// Only change code below this line
// Add your code above this line
// Only change code above this line
}
checkPositive([1, 2, 3, -4, 5]);
```
@@ -69,9 +69,9 @@ checkPositive([1, 2, 3, -4, 5]);
```js
function checkPositive(arr) {
// Add your code below this line
// Only change code below this line
return arr.every(num => num > 0);
// Add your code above this line
// Only change code above this line
}
checkPositive([1, 2, 3, -4, 5]);
```

12
curriculum/challenges/english/02-javascript-algorithms-and-data-structures/functional-programming/use-the-filter-method-to-extract-data-from-an-array.english.md
View File

@@ -54,7 +54,7 @@ tests:
<div id='js-seed'>
```js
// the global variable
// The global variable
var watchList = [
{
"Title": "Inception",
@@ -168,11 +168,11 @@ var watchList = [
}
];
// Add your code below this line
// Only change code below this line
var filteredList;
// Add your code above this line
// Only change code above this line
console.log(filteredList);
```
@@ -187,7 +187,7 @@ console.log(filteredList);
<section id='solution'>
```js
// the global variable
// The global variable
var watchList = [
{
"Title": "Inception",
@@ -301,9 +301,9 @@ var watchList = [
}
];
// Add your code below this line
// Only change code below this line
let filteredList = watchList.filter(e => e.imdbRating >= 8).map( ({Title: title, imdbRating: rating}) => ({title, rating}) );
// Add your code above this line
// Only change code above this line
```
</section>

8
curriculum/challenges/english/02-javascript-algorithms-and-data-structures/functional-programming/use-the-map-method-to-extract-data-from-an-array.english.md
View File

@@ -57,7 +57,7 @@ tests:
<div id='js-seed'>
```js
// the global variable
// The global variable
var watchList = [
{
"Title": "Inception",
@@ -171,14 +171,14 @@ var watchList = [
}
];
// Add your code below this line
// Only change code below this line
var ratings = [];
for(var i=0; i < watchList.length; i++){
ratings.push({title: watchList[i]["Title"], rating: watchList[i]["imdbRating"]});
}
// Add your code above this line
// Only change code above this line
console.log(JSON.stringify(ratings));
```
@@ -200,7 +200,7 @@ const removeJSComments = str => str.replace(/\/\*[\s\S]*?\*\/|\/\/.*$/gm, '');
<section id='solution'>
```js
// the global variable
// The global variable
var watchList = [
{
"Title": "Inception",

8
curriculum/challenges/english/02-javascript-algorithms-and-data-structures/functional-programming/use-the-reduce-method-to-analyze-data.english.md
View File

@@ -79,7 +79,7 @@ tests:
<div id='js-seed'>
```js
// the global variable
// The global variable
var watchList = [
{
"Title": "Inception",
@@ -194,11 +194,11 @@ var watchList = [
];
function getRating(watchList){
// Add your code below this line
// Only change code below this line
var averageRating;
// Add your code above this line
// Only change code above this line
return averageRating;
}
console.log(getRating(watchList));
@@ -214,7 +214,7 @@ console.log(getRating(watchList));
<section id='solution'>
```js
// the global variable
// The global variable
var watchList = [
{
"Title": "Inception",

8
curriculum/challenges/english/02-javascript-algorithms-and-data-structures/functional-programming/use-the-some-method-to-check-that-any-elements-in-an-array-meet-a-criteria.english.md
View File

@@ -50,10 +50,10 @@ tests:
```js
function checkPositive(arr) {
// Add your code below this line
// Only change code below this line
// Add your code above this line
// Only change code above this line
}
checkPositive([1, 2, 3, -4, 5]);
```
@@ -69,9 +69,9 @@ checkPositive([1, 2, 3, -4, 5]);
```js
function checkPositive(arr) {
// Add your code below this line
// Only change code below this line
return arr.some(elem => elem > 0);
// Add your code above this line
// Only change code above this line
}
checkPositive([1, 2, 3, -4, 5]);
```