<!DOCTYPE html>
<html>
<head>
<meta charset=‘utf-8‘>
<title>test</title>
<style src="text/css">
div{
width:80px;
height:80px;
position:absolute;
left:100px;
top:100px;
background-color:red;
}
</style>
<script src="js/jquery.js"></script>
<script>
window.onload = function(){
$(‘#btnok‘)[0].onclick = function(){
//1.获取元素的宽度和高度
//alert($(‘div‘).width()+‘-‘+$(‘div‘).height());
//2.设置元素的宽度和高度
$(‘div‘).width(200);
$(‘div‘).height(200);
}
}
</script>
</head>
<body>
<input type="button" id="btnok" value="class属性设置" />
<hr />
<div></div>
</body>
</html>
时间： 2024-08-04 01:51:14