标签:lazy number for new blog lower string 去除 bsp
function factorialize(num) { var lem=1; for(var i=1;i<=num;i++){ lem*=i; } return lem; } factorialize(5);
function palindrome(str) { var oldS=str.replace(/[\W_]/g,‘‘).toLowerCase(); //[\W_]将非单词或_去除 var newS=oldS.split(‘‘).reverse().join(‘‘); return oldS===newS; } palindrome("A man, a plan, a canal. Panama");
function findLongestWord(str) { return Math.max(...str.split(‘ ‘).map(s=>s.length)); //.map将数组中每个元素替换为其长度并利用max...获取数组最大值 } findLongestWord("The quick brown fox jumped over the lazy dog");
标签:lazy number for new blog lower string 去除 bsp
原文地址:http://www.cnblogs.com/renshengruge/p/6529982.html