简单的封装原生js拖拽
new Drag('el')- el 为元素class,或id
- 此元素样式需position
<!DOCTYPE html>
<html>
<head>
<meta charset='UTF-8'>
<title>Drag</title>
<script src='drag.js'></script>
<style>
#div{
position:absolute;
width:100px;
height:100px;
cursor:move;
background:#ff0000
}
</style>
</head>
<body>
<div id="div"></div>
<script>
new Drag('#div')
//或者
//Drag("#div")
</script>
</body>
</html>