相对来说可以让初学者看一下，并不太实用，可能jquery4条语句就能解决，但是原生相对有参照性，了解最终原理才是关键。
复制代码 代码如下:
<!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>无标题文档</title>
<style type="text/css">
body {margin:0;padding:0;color:#000000;}
#div_test {
width: 100%;
height: 100%;
background-color: #000000;
position:absolute;
filter:Alpha(Opacity=0)
}
</style>
<script type="text/javascript">
var i = 100;
function $(id) {return document.getElementById(id);}
function chang_display() { i--;
var div = $('div_test');
div.style.filter = "Alpha(Opacity="+i+")";
div.style.opacity = i / 100;
if ( i== "0")
{document.getElementById('div_test').style.display="none";//隐藏
exit
}
}
/*控制div隐藏*/
function hid() {
setInterval(chang_display, 1);
}
</script>
</head>
<body>
<div></div>
<div><a href="https://bbs.csdn.com">123</a>123123</div>
</body>
<script defer="defer">
var j = 0;
function $(id) {return document.getElementById(id);}
function turn_display()
{ j++;
var div = $('div_test');
div.style.filter = "Alpha(Opacity="+j+")";
div.style.opacity = j / 100;
if ( j== "0")
{document.getElementById('div_test').style.display="none";//隐藏
exit
}
}
setInterval(turn_display, 1);
</script>
</html>
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