Janking

//惰性单例模式

<a href="javascript:;" id="btn1">1111111</a>
<br>
<br>
<br>
<br>
<br>
<a href="javascript:;" id="btn2">2222222</a>

Janking

	var timeChunk = function(ary,fn,count){
		var obj,t;
		var len = ary.length;
		var start = function(){
			for(var i = 0 ;i<Math.min(count || 1 , ary.length);i++){
				var obj = ary.shift();
				fn(obj);
			}
		};
		return function(){

Janking

	//函数节流
	var  throttle = function (fn,interval){
		var __self = fn,
		timer,
		firstTime = true;

		var fun =  function(){
			var args = arguments,
			__me = this,
			outerTime = firstTime;

Janking

	<script type="text/javascript">
	//所谓AOP
	//在执行B前先执行A，
	//执行完B后再执行C
	Function.prototype.before = function(beforefn){
		var __self = this;
		console.log(__self);
		return function(){
			beforefn.apply(this,arguments);
			return __self.apply(this,arguments);