標籤：
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html >
<head>
<meta charset="gb2312">
<title> New Document </title>
<meta name="Keywords" content="">
<meta name="Description" content="">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="initial-scale=1, maximum-scale=1, user-scalable=no">
</head>
<style>
p{display:none}
body{background-color:red}
@media screen and (max-width:320px){#ip4{display:block;}body{background-color:blue}}
</style>
<body>
<p id="ip4">蘋果4</p>
<p id="ip5">蘋果5</p>
<p id="ip6">蘋果6</p>
<p id="ip6+">蘋果6+</p>
<script>
document.documentElement.style.height = window.innerHeight + ‘px‘;
alert(document.documentElement.clientWidth);
alert(document.documentElement.style.height);
</script>
</body>
</html>
@media screen
Start building with 50+ products and up to 12 months usage for Elastic Compute Service
1 on 1 presale consultation
24/7 Technical Support 6 Free Tickets per Quarter Faster Response
Alibaba Cloud offers highly flexible support services tailored to meet your exact needs.
A comprehensive suite of global cloud computing services to power your business
Payment Methods We Support
