2021-05-05 10:13:49 -07:00
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---
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id: 56533eb9ac21ba0edf2244d4
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title: 大於運算符
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challengeType: 1
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videoUrl: 'https://scrimba.com/c/cp6GbH4'
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forumTopicId: 16786
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dashedName: comparison-with-the-greater-than-operator
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---
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# --description--
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使用大於運算符(`>`)來比較兩個數字。 如果大於運算符左邊的數字大於右邊的數字,將會返回 `true`。 否則,它返回 `false`。
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與相等運算符一樣,大於運算符在比較的時候,會轉換值的數據類型。
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**例如:**
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```js
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2022-03-21 22:25:58 +05:30
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5 > 3 // true
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7 > '3' // true
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2 > 3 // false
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'1' > 9 // false
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2021-05-05 10:13:49 -07:00
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```
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# --instructions--
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2022-03-21 22:25:58 +05:30
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將大於運算符添加到指示的行,以便返回語句有意義。
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2021-05-05 10:13:49 -07:00
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# --hints--
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2022-03-21 22:25:58 +05:30
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`testGreaterThan(0)` 應該返回字符串 `10 or Under`
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2021-05-05 10:13:49 -07:00
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```js
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assert(testGreaterThan(0) === '10 or Under');
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```
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2022-03-21 22:25:58 +05:30
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`testGreaterThan(10)` 應該返回字符串`10 or Under`
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2021-05-05 10:13:49 -07:00
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```js
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assert(testGreaterThan(10) === '10 or Under');
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```
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2022-03-21 22:25:58 +05:30
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`testGreaterThan(11)` 應該返回字符串 `Over 10`
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2021-05-05 10:13:49 -07:00
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```js
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assert(testGreaterThan(11) === 'Over 10');
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```
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2022-03-21 22:25:58 +05:30
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`testGreaterThan(99)` 應該返回字符串 `Over 10`
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2021-05-05 10:13:49 -07:00
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```js
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assert(testGreaterThan(99) === 'Over 10');
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```
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2022-03-21 22:25:58 +05:30
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`testGreaterThan(100)` 應該返回字符串 `Over 10`
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2021-05-05 10:13:49 -07:00
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```js
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assert(testGreaterThan(100) === 'Over 10');
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```
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2022-03-21 22:25:58 +05:30
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`testGreaterThan(101)` 應該返回字符串 `Over 100`
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2021-05-05 10:13:49 -07:00
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```js
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assert(testGreaterThan(101) === 'Over 100');
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```
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2022-03-21 22:25:58 +05:30
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`testGreaterThan(150)` 應該返回字符串 `Over 100`
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2021-05-05 10:13:49 -07:00
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```js
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assert(testGreaterThan(150) === 'Over 100');
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```
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2022-03-21 22:25:58 +05:30
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你應該使用 `>` 至少兩次
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2021-05-05 10:13:49 -07:00
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```js
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assert(code.match(/val\s*>\s*('|")*\d+('|")*/g).length > 1);
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```
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# --seed--
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## --seed-contents--
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```js
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function testGreaterThan(val) {
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if (val) { // Change this line
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return "Over 100";
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}
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if (val) { // Change this line
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return "Over 10";
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}
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return "10 or Under";
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}
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testGreaterThan(10);
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```
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# --solutions--
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```js
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function testGreaterThan(val) {
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if (val > 100) { // Change this line
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return "Over 100";
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}
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if (val > 10) { // Change this line
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return "Over 10";
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}
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return "10 or Under";
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}
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```
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