88 lines
1.8 KiB
Markdown
88 lines
1.8 KiB
Markdown
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---
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id: a26cbbe9ad8655a977e1ceb5
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title: 找出字符串中的最長單詞
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challengeType: 5
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forumTopicId: 16015
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dashedName: find-the-longest-word-in-a-string
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---
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# --description--
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返回給出的句子中,最長單詞的長度。
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函數的返回值應是一個數字。
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# --hints--
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`findLongestWordLength("The quick brown fox jumped over the lazy dog")` 應返回一個數字。
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```js
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assert(
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typeof findLongestWordLength(
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'The quick brown fox jumped over the lazy dog'
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) === 'number'
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);
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```
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`findLongestWordLength("The quick brown fox jumped over the lazy dog")` 應返回 `6`。
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```js
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assert(
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findLongestWordLength('The quick brown fox jumped over the lazy dog') === 6
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);
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```
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`findLongestWordLength("May the force be with you")` 應返回 `5`。
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```js
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assert(findLongestWordLength('May the force be with you') === 5);
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```
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`findLongestWordLength("Google do a barrel roll")` 應返回 `6`。
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```js
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assert(findLongestWordLength('Google do a barrel roll') === 6);
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```
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`findLongestWordLength("What is the average airspeed velocity of an unladen swallow")` 應返回 `8`。
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```js
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assert(
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findLongestWordLength(
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'What is the average airspeed velocity of an unladen swallow'
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) === 8
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);
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```
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`findLongestWordLength("What if we try a super-long word such as otorhinolaryngology")` 應返回 `19`。
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```js
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assert(
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findLongestWordLength(
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'What if we try a super-long word such as otorhinolaryngology'
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) === 19
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);
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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 findLongestWordLength(str) {
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return str.length;
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}
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findLongestWordLength("The quick brown fox jumped over the lazy dog");
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```
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# --solutions--
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```js
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function findLongestWordLength(str) {
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return str.split(' ').sort((a, b) => b.length - a.length)[0].length;
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}
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findLongestWordLength("The quick brown fox jumped over the lazy dog");
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```
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