400

<!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>
<style type="text/css">
.it{20px;height:20px;border:solid 1px #ccc;float:left;}
.cls{clear:both;}
</style>
</head>

<body>
<script>
for(var i=0;i<400;i++){
document.write("<div class='it' onmouseover='mover(this)' onmouseout='mout(this);'></div>");
if((i+1)%20==0){
document.write("<div class='cls'></div>");
}
}
function mover(o){
o.style.backgroundColor="red";
}
var colors=["#fff","#ffd2d6","#fe9c9e","#ff7586","#ff3c59","red"]
function mout(o){
o.cnt=5;
o.fn=function(){
o.cnt--;
o.style.backgroundColor=colors[o.cnt];

if(o.cnt==0){
clearInterval(o.time);
}

};
o.time=setInterval(o.fn,100);
}
</script>
</body>
</html>

原文地址:https://www.cnblogs.com/tian114527375/p/4930761.html