bugzilla_firefox

//本来要给火狐提交bug的,发现复现不鸟,我勒个去
<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>无标题文档</title>
</head>
<style>
html,body{
	width:100%;
	height:100%;
}
body{
	position:relative
}
section{
	position:absolute
}
.s1{
	left:10px;
}
.s2{
	left:40px;
}
.s3{
	left:80px
}
input{
	display:none;
	outline:none
}
</style>
<body>
<section class="s1">
	11
</section>
<section class="s2">
	11
</section>
<section class="s3">
	11
</section>
<input type="text">
<script>
var Drag = function( e ){
	this.e = typeof e === "string" ? document.getElementById(e) : e;
	this.initDrag();
}
Drag.prototype = {
	zIndex : 0,
	constructor : Drag,
	initDrag : function(){
		this.e.addEventListener("mousedown",this.ev.bind(this));
	},
	ev : function(e){
		switch(e.type){
			case "mousedown":
				this.dx = e.clientX - this.e.offsetLeft;
				this.dy = e.clientY - this.e.offsetTop;
				this.e.zIndex = this.zIndex++;
				this.fn = this.ev.bind(this);
				document.addEventListener("mousemove",this.fn);
				document.addEventListener("mouseup",this.fn);
			break;
			case "mousemove":		
				this.e.style.left = e.clientX - this.dx + "px";
				this.e.style.top = e.clientY - this.dy + "px";			
			break;
			case "mouseup":
				document.removeEventListener("mouseup",this.fn)
				document.removeEventListener("mousemove",this.fn)
			break;
		};
		e.cancelBubble = true;
		e.defaultPrevented = true;
		e.stopPropagation();
		e.preventDefault();
		return 
	}
};
Array.prototype.slice.call(document.querySelectorAll("section"),null).forEach(function(e,i){
	new Drag(e);
	e.addEventListener("mouseup",function(){
		var css = Object.create( window.getComputedStyle(e,null) ),
			t = parseInt(css.top) + "px",
			l = parseInt(css.left) + "px";
		/************************************/
		e.style.left = 0;
		e.style.top = 0;
		/************************************/
		console.log( window.getComputedStyle(e,null).left )
		console.log( window.getComputedStyle(e,null).top )
		e.style.left = l
		e.style.top = t
	});
});
</script>
</body>
</html>

  

posted @ 2014-03-04 14:26  方方和圆圆  阅读(335)  评论(0编辑  收藏  举报

再过一百年, 我会在哪里?