document.documentElement.clientWidth
document.documentElement.clientHeight
document.body.scrollTop/scrollLeft
document.documentElement.scrollTop/scrollLeft
document.body.scrollHeight
document.documentElement.offsetHeight
document.body.offsetHeight
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>窗口尺寸</title>
<style>
body{
margin: 0px;
padding: 0px;
}
</style>
<script type="text/javascript">
window.onload =function(){
/**
*可视区的尺寸
*document.documentElement.clientWidth
*document.documentElement.clientHeight
*/
alert(document.documentElement.clientWidth+","+document.documentElement.clientHeight);
/**
* 滚动条滚动距离
* document.documentElement.scrollTop[srollLeft]
* document.body.scrollTop[srollLeft] //chrome浏览器只认识body
*/
var scrollTop = document.documentElement.scrollTop||document.body.scrollTop;
//alert(scrollTop);
/**
* 内容高度
* ScrollHeight:返回整个元素的高度(包括带滚动条的隐蔽的地方)
* oDiv.ScrollHeight(Width)
*/
//alert(div1.scrollHeight) //210
/**
* 文档高度
* offsetHeight
*/
//alert(document.documentElement.offsetHeight||document.body.offsetHeight); //2000
}
</script>
</head>
<body>
<div style="2000px">
<div id="div1" style="width:100px;height:100px;border:1px solid red;
padding:10px;margin:10px; ">
<div id="div2" style="width:100px;height:200px;background:blue"></div>
</div>
</div>
</body>
</html>
window 对象常用事件
onscroll 滚动事件
onresize 窗口大小改变事件