实例
<!DOCTYPE html>
<html lang="zh">
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<meta http-equiv="X-UA-Compatible" content="ie=edge" />
<title>Document</title>
<style type="text/css">
*{
padding: 0px;
margin: 0px;
}
#box{
width: 100px;
height: 100px;
background: deeppink;
position: absolute;
}
</style>
</head>
<body>
<div id="box" style="left:0px;top:0px"></div>
</body>
<script type="text/javascript">
//找对象
var box = document.getElementById('box');
//增加鼠标按下对象
box.onmousedown = function(e){
var e = e||event;
//获取X轴
var y = e.clientY - parseInt(box.style.top);
var x = e.clientX - parseInt(box.style.left);
console.log(y);
console.log(x);
//保证兼容性问题
document.onmousemove = function(e){
var e = e||event;
//修改box的坐标
document.tite = "X:"+e.clientX+"Y:"+e.clientY;
box.style.left = e.clientX - x + 'px';
box.style.top = e.clientY - y + 'px';
}
}
box.onmouseout = function(){
document.onmousemove = null;
}
</script>
</html>运行实例 »
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