腾挪端
移动端
web移动端:
1.使用工具:Emulation模拟器
sum设置:
效果图:
1.
2.
2.Viewport:
IOS不支持target-densitydpi,但是安卓支持.
测试代码:
<!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" />
<meta name="viewport" content="width=device-width,height=device-height,user-scalable=no,initial-scale=1.0,minimum-scale=1.0,maximum-scale=1.0,target-densitydpi=device-dpi" />
<title>viewport</title>
<style>
.box{width:300px;height:300px;background:Red}
</style>
</head>
<body>
<div class="box">
</div>
<script>
alert( document.documentElement.clientWidth);
</script>
</body>
</html>
媒体类型，关键字，媒体特性,横竖屏..