<!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>弹出菜单案例</title>
<style>
#cont { width:100px; height:30px; border:solid 1px #ccc; float:left;}
#footer { width:200px; height:100px; position:absolute; left:0px; top:50px; background-color:#f4f4f4; border:solid
1px #ccc; left:10px;}
#footer.disable { display:none;}
#cont2 { width:100px; height:30px; border:solid 1px #ccc; float:left; margin-left:10px;}
#footer2 { width:200px; height:100px; position:absolute; left:120px; top:50px; background-color:#f4f4f4; border:solid
1px #ccc;}
#footer.disable , #footer2.disable{ display:none;}
</style>
</head><body>
<div id="cont">内容</div>
<div id="footer" class="disable">此处显示 class "footer" 的内容</div><div id="cont2">测试</div>
<div id="footer2" class="disable">此处显示 class "footer" 的内容</div>
<script>
var cont = document.getElementById("cont");
var foooter = document.getElementById("footer");
var cont2 = document.getElementById("cont2");
var foooter2 = document.getElementById("footer2");var obj = new tanchu(cont,foooter);
var obj2 = new tanchu(cont2,foooter2);function tanchu (yuan,mubiao){
var tiem ;
var _this = this ;
yuan.addEventListener("mouseover",function (){_this.show()});
yuan.addEventListener("mouseout",function (){_this.hide()});
mubiao.addEventListener("mouseover",function (){_this.show()});
mubiao.addEventListener("mouseout",function (){_this.hide()});this.show = function (){
clearTimeout(tiem);
mubiao.className = "";}
this.hide = function (){
tiem = setTimeout(function (){mubiao.className = "disable";},200);
}}
</script>
</body>
</html>
自己写了一个弹出菜单，有间隙也可以,布布扣,bubuko.com