<!doctype html>
<html>
<head>
<style>
#text{display:block;width:300px;cursor:pointer;height:20px;border:solid 1px #CCC;}
#menu{display:none;width:300px;height:100px;border:solid 1px #CCC;}
</style>
<meta charset="utf-8">
<title>无标题文档</title>
</head>
<body>
<span id="text">点击显示菜单,再点击隐藏菜单</span>
<div id="menu">这是文字哦。</div>
<script type="text/javascript">
window.onload=function(){
var wenzi=document.getElementById("text");
var div=document.getElementById("menu");
wenzi.onfocus=function(){
if(div.style.display=='block'){ // == 判断div.display是否为显示
div.style.display='none'; //= 赋值也可了解成改变
}
else{
div.style.display='block';
}
}
}
</script>
</body>
</html>_追梦的少年_
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