funop.js

	var processor  =  {
			timeoutId : null,
			performProcessing : function () {
			},
			process: function () {
				clearTimeout(this.timeoutId);
				var that = this;
				this.timeoutId = setTimeout(function () {
					that.performProcessing();
				},100)
			}
		}
		processor.process();
		
		//示例
		var cont = 0;
		function resizeDiv () {
			cont++;
			var div = document.getElementById("cc");
			div.style.height = div.offsetWidth + "px";
			console.log(cont + "次");
		}
		window.onresize = function () {
			throttle(resizeDiv);
		}
		
		//函数节流方法，超实用
	function throttle(method, scope) {
            clearTimeout(method.tId);
            method.tId= setTimeout(function(){
                method.call(scope);
            }, 100);
        }
        
        
        
        	var cont = 0;
		function resizeDiv () {
			cont++;
			var div = document.getElementById("cc");
			console.log((document.body.clientWidth - parseInt(div.style.width)));
			div.style.left = (Math.max(document.documentElement.clientWidth,document.documentElement.scrollWidth) - parseInt(div.style.width)) / 2 + "px"
			div.style.top = (Math.max(document.documentElement.clientHeight,document.documentElement.scrollHeight) - parseInt(div.style.height)) / 2 + "px"
			console.log(top);
		//	div.style.height = div.offsetWidth + "px";
			console.log(cont + "次");
		}
		window.onresize = function () {
			throttle(resizeDiv);
		}
		function throttle(method, scope) {
				clearTimeout(method.tId);
            method.tId= setTimeout(function(){
                method.call(scope);
            }, 100);
        }