<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>Untitled Document</title>
<style>
#div1{width:800px;height:1000px;position:relative;margin: 0 auto;}
#btn{margin:20px 45px;}
#div1 div{width:60px;height:60px;background:#ffc;display:inline-block;position:absolute;
border:1px solid #ccc;}
</style>
<script type="text/javascript">
window.onload=function(){
var div= document.getElementById(‘div1‘);
var btn= document.getElementById(‘btn‘);
arr=[‘red‘,‘yellow‘,‘blue‘,‘green‘];
var str="";
for(var i=0;i<100;i++){
str += "<div>"+ (i+1) +"</div>";
}
var lis=div.getElementsByTagName(‘div‘);
btn.onclick=function(){
div.innerHTML+=str;
for(var i=0; i<lis.length; i++){
lis[i].style.left=(70+5)*(i%10)+‘px‘;
lis[i].style.top=(70+5)*Math.floor(i/10)+‘px‘;
lis[i].style.background=arr[i%4];
}
}
}
</script>
</head>
<body>
<input id="btn" type="button" value="自动生成100个div" />
<div id="div1"></div>
</body>
</html>
时间： 2024-10-07 05:20:36