最通俗易懂的原生 js 封装map 对象
js 封装map 对象var Map = function() { this.keys = new Array, this.data = new Object; var e = Object.prototype.toString; this.size = function() {
js 封装map 对象var Map = function() { this.keys = new Array, this.data = new Object; var e = Object.prototype.toString; this.size = function() {
var locks = []; var LOCKTIME_DEFAULT = 1000 * 10; function jsynchronized(lockName, lockTime) { if (getLock(lockName)) { return false; } e
比如“:”,“-”,比如“100-40-20:40:30,55”,如果我想拆分这个字符串成为数组怎样才能正确拆分呢? 正确写法是:split(/-|:|,/);
function add0(m){return m<10?'0'+m:m }function format(shijianchuo){//shijianchuo是整数,否则要parseInt转换var time = new Date(shijianchuo);var y = time.getF
首先要下载node和live-servernpm install -g live-server因为live-server这个包是依赖于node的,一定要下载安装node,并且配置node对应的环境变量,具体方法百度查找就可。node安装成功之后可用命令node-v查看是否安装成功。node安装没有问
遇到的问题:两个项目中,都有input:text类型的文本框,但是在移动端的软键盘表现却不一样。图一:<div> <input type="text" name="" id=""></div>图二:&l
function splitUp(arr, n) { var rest = arr.length % n, // how much to divide restUsed = rest, // to keep track of the division over the elements