js延时提示框效果演示：
实现方法
移入显示，移出隐藏
移除延时隐藏，可以实现从第一个div移入第二个div，仍然可以显示
<!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>无标题文档</title>
</head>
<style>
#div1 {
width: 50px;
height: 50px;
background: red;
float: left
}
#div2 {
margin-left: 10px;
width: 250px;
height: 150px;
background: yellow;
float: left;
display: none
}
</style>
<script>
window.onload=function()
{
var oDiv1=document.getElementById('div1');
var oDiv2=document.getElementById('div2');
var timer=null;
oDiv1.onmouseover=oDiv2.onmouseover=function()
{
clearTimeout(timer);
oDiv2.style.display='block';
};
oDiv1.onmouseout=oDiv2.onmouseout=function()
{
timer=setTimeout(function()
{
oDiv2.style.display='none';}
,500);
};
};
</script>
<body>
<div id="div1"></div>
<div id="div2"></div>
</body>
</html>
GitHub源码地址
