--- id: a26cbbe9ad8655a977e1ceb5 title: 找出字符串中的最长单词 challengeType: 5 forumTopicId: 16015 --- # --description-- 返回给出的句子中,最长单词的长度。 函数的返回值应是一个数字。 # --hints-- `findLongestWordLength("The quick brown fox jumped over the lazy dog")` 应返回一个数字。 ```js assert( typeof findLongestWordLength( 'The quick brown fox jumped over the lazy dog' ) === 'number' ); ``` `findLongestWordLength("The quick brown fox jumped over the lazy dog")` 应返回 6。 ```js assert( findLongestWordLength('The quick brown fox jumped over the lazy dog') === 6 ); ``` `findLongestWordLength("May the force be with you")` 应返回 5。 ```js assert(findLongestWordLength('May the force be with you') === 5); ``` `findLongestWordLength("Google do a barrel roll")` 应返回 6。 ```js assert(findLongestWordLength('Google do a barrel roll') === 6); ``` `findLongestWordLength("What is the average airspeed velocity of an unladen swallow")` 应返回 8。 ```js assert( findLongestWordLength( 'What is the average airspeed velocity of an unladen swallow' ) === 8 ); ``` `findLongestWordLength("What if we try a super-long word such as otorhinolaryngology")` 应返回 19。 ```js assert( findLongestWordLength( 'What if we try a super-long word such as otorhinolaryngology' ) === 19 ); ``` # --solutions--