监听屏幕的改变：
代码语言：javascript复制<!DOCTYPE html>
<html>
<head lang="en">
<meta charset="UTF-8">
<title></title>
<meta name="viewport" content="initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0, user-scalable=no, width=device-width">
<meta content="telephone=no" name="format-detection">
</head>
<body>
<label id="show"></label>
<script>
window.onresize = adjuest;
adjuest();
function adjuest(){
var label = document.getElementById("show");
label.innerHTML = "width = " window.innerWidth ";height=" window.innerHeight;
}
</script>
</body>
</html>效果：
2 .监听div大小的改变
代码语言：javascript复制<!DOCTYPE html>
<html>
<head lang="en">
<meta charset="UTF-8">
<title></title>
</head>
<body>
<div id="show_div" style="background-color: lightblue;width: 100%;height: 300px;"></div>
<label id="show"></label>
<script>
window.onresize = adjuest;
adjuest();
function adjuest(){
var label = document.getElementById("show");
var divCon = document.getElementById("show_div");
label.innerHTML = "width = " divCon.offsetWidth ";height=" divCon.offsetHeight;
}
</script>
</body>
</html>效果：
