返回提供的句子中最长的单词的长度。html
返回值应该是一个数字。ui
function findLongestWord(str) { var arr = str.split(" "); var maxLength = 0; for(var i = 0; i < arr.length; i++){ if(arr[i].length > maxLength){ maxLength = arr[i].length; } } return maxLength; } findLongestWord("The quick brown fox jumped over the lazy dog");