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JS method to obtain page height by clicking a button_javascript skills

WBOY
WBOYOriginal
2016-05-16 15:34:111436browse

The example in this article describes the JS method of clicking a button to obtain the height of the page. Share it with everyone for your reference, the details are as follows:

This is a JavaScript special effects code, click to get the height of the web page, and achieve the position-fixed effect under ie6. In addition, for the problem of masking (probably making a lightBox), I personally think it is a pure CSS method (excluding its display/ hidden) would be more suitable.

The screenshot of the running effect is as follows:

The online demo address is as follows:

http://demo.jb51.net/js/2015/js-click-btn-web-height-codes/

The specific code is as follows: 

<!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" />
<title>JavaScript点击获取网页高度</title>
<style type="text/css">
html,body { overflow:hidden; height:100%; margin:0; padding:0;}
div { height:100%; overflow:auto;}
</style>
<script language="javascript">
function getHeight(){
  var wrapDiv=document.getElementById("wrapDiv");
  alert("document.body.offsetHeight:" + document.body.offsetHeight);
  alert("document.body.scrollHeight:" + document.body.scrollHeight);
  alert("wrapDiv.offsetHeight" + wrapDiv.offsetHeight);
  alert("wrapDiv.scrollHeight:" + wrapDiv.scrollHeight);
}
</script>
</head>
<body><div id="wrapDiv">
<input class="e_button" type="button" onclick="getHeight();" value="点击获取页面高度" /><br />
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</div></body>
</html>

I hope this article will be helpful to everyone in JavaScript programming.

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