使用js设置div根据方向键“上、下、左、右”方向键移动，
代码如下：
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>键盘移动</title>
<script src="https://libs.baidu.com/jquery/1.11.3/jquery.min.js"></script>
<style>
.s-move-content-outer{border:1px black solid;width:200px;height:200px;position:relative;outline:none;user-select:none;/*overflow:hidden;*/;}
.s-move-content-header{background-color:pink;width:100%;height:30px;text-align:center;line-height:30px;}
</style>
</head>
<body>
<div class="s-move-content-outer" tabIndex="1" >
<div class="s-move-content-header" tabIndex="1" >div1 </div>
<div>内容1</div>
</div>
</body>
</html>
<script>
//键盘控制移动
$(document).keydown(function(event){
var keyNum = event.which; //获取键值
var Item = $(".s-move-content-outer"); //要移动的元素
switch(keyNum){ //判断按键
case 37: Item.animate({left:'-=5px'});break;
case 38: Item.animate({top:'-=5px'});break;
case 39: Item.animate({left:'+=5px'});break;
case 40: Item.animate({top:'+=5px'});break;
default:
break;
}
});
</script>
div> div> <div id="treeSkill">div> <div id="blogExtensionBox" style="width:400px;margin:auto;margin-top:12px" class="blog-extension-box">div>
