87,907
社区成员
发帖
与我相关
我的任务
分享
<!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=gb2312" />
<title>无标题文档</title>
</head>
<body>
<style>
body{
height:2000px;
width:2000px;
}
#a{
width:300px;
height:100px;
background:red;
}
</style>
<script>
window.onload = function(){
var a = document.getElementById('a');
a.style.position = 'absolute';
a.style.right = '0';
a.style.bottom = '0';
window.onscroll = function(){
a.innerHTML = '';
}
}
</script>
<div id='a'></div>
</body>
</html>
<!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=gb2312" />
<title>无标题文档</title>
</head>
<body>
<style>
body{
height:2000px;
width:2000px;
}
#a{
width:300px;
height:100px;
background:red;
}
</style>
<script>
window.onload = function(){
var a = document.getElementById('a');
a.style.position = 'absolute';
a.style.right = '0';
a.style.bottom = '0';
window.onscroll = function(){
//a.innerHTML = '';
document.getElementById("b").innerHTML = "";//设其他的innerHTML效果一样,无语
}
}
</script>
<div id='a'></div>
<div id="b"></div>
</body>
</html>