<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title></title>
<style type="text/css">
#d01{
width: 100px;
height: 100px;
background-color: red;
position: absolute;
}
</style>
</head>
<body>
<div id="d01"></div>
</body>
<script type="text/javascript">
/*键盘移动
* 按左键，d01左移。。。
*/
var d01=document.getElementById("d01");
document.onkeydown=function(event){
//左上右下对应编码37-40
switch(event.keyCode){
case 37:
// alert("向左");
d01.style.left=d01.offsetLeft-10+"px";
berak;
case 38:
// alert("向上");
d01.style.top=d01.offsetTop-10+"px";
berak;
case 39:
// alert("向右");
d01.style.left=d01.offsetLeft+10+"px";
berak;
case 40:
// alert("向下");
d01.style.top=d01.offsetTop+10+"px";
berak;
}
}
</script>
</html>
JavaScript 键盘移动div练习
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转载自www.cnblogs.com/wangdongwei/p/11298279.html
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