原生JS封装(判断一个字符串中是否包含字母)
function hasLetter(str) { for (var i in str) { var asc = st ...
function hasLetter(str) { for (var i in str) { var asc = st ...
function hasSpecial(str) { for (var i in str) { var asc = s ...
function show(ele) { ele.style.display = "block"; } function hid ...
// 添加cookie function addCookie(key,value,days) { var now = new Date(); ...