函数节流

gistfile1.js

	//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;
			console.log(arguments)
			console.log(timer)
			if(firstTime){
				__self.apply(__me,args);
				return firstTime = false;
			}
			if(timer){
				return false;
			}
			timer = setTimeout(function(){
				clearTimeout(timer);
				timer = null;
				__self.apply(__me,args);
			}, interval||500);
		};

		console.log(fun)

		return fun;
	}
	var ff = throttle(function(){
		console.log(1)
	},2000);
	 window.onresize = ff;