键盘控制div上下左右移动 (转) - 走看看

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键盘控制div上下左右移动 (转)

<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="public/easy_ui/themes/icon.css">
<script type="text/javascript" src="public/easy_ui/jquery.min.js"></script>
<script type="text/javascript" src="public/easy_ui/easy_ui.min.js"></script>
<script type="text/javascript" src="public/easy_ui/easyloader.js"></script>
</head>
<body>
<div id="div" style="background-color: red; width: 400px; height: 300px; left: 100px; top: 100px;">
</div>
</body>
<script>
$(function(){
$(document).keydown(function (event) {
var keyCode = event.keyCode;
var space = 20;
var div = $('#div');
switch(keyCode){
case 37: div.offset({left:(div.offset().left - 20)}); break;
case 38: div.offset({top:(div.offset().top - 20)}); break;
case 39: div.offset({left:(div.offset().left + 20)}); break;
case 40: div.offset({top:(div.offset().top + 20)}); break;
default: break;
}
});
});
</script>
</html>
http://www.cnblogs.com/cglWorkBook/p/5134698.html

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原文地址：https://www.cnblogs.com/softidea/p/5269810.html

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