js改变div大小

分类: IT文章 • 2023-03-24 15:13:24

<!DOCTYPE html>
<html>
<head>
<title></title>
</head>
<body>
<style>
#div1{
100px;
height: 100px;
position: absolute;
top: 100px;
left: 300px;
background-color: rgba(0,0,0,0.2);
}
</style>
<div );
</script>
</body>
</html>