文档高度和卷去的高度 

<!doctype html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <title>Document</title>
  <meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1">
  <script src="jq/js/jquery-2.0.3.js"></script>
  <style>
    body{height: 1000px;margin:20px 0;padding:15px 0;border: 10px solid red;}
  </style>
  <script>
  $(function(){

    //浏览器当前窗口可视区域高度 
    console.log($(window).height())
    console.log(document.documentElement.clientHeight)

    //浏览器当前窗口文档的高度
    console.log($(document).height())      //body+margin+padding+border 1000+40+30+20=1090
    console.log($(document.body).height()) //body 1000

    console.log('document.body.offsetHeight==='+document.body.offsetHeight )//body+padding+border 1000+30+20=1050
    console.log('document.body.clientHeight==='+document.body.clientHeight) //body+padding        1000+30=1030

    //网页被卷去的高 IE两个都为0
    console.log(document.documentElement.scrollTop) //FF支持 chrome为0 
    console.log(document.body.scrollTop)//chrome 支持 FF为0 
    console.log(document.documentElement.scrollTop+document.body.scrollTop)

    //网页被卷去的高 jQuery
    console.log($(document).scrollTop())

  })
  </script>
</head>
<body>
  
</body>
</html>

 

posted @ 2015-08-20 17:40  eaysun  阅读(254)  评论(0)    收藏  举报