div渐变技术
<!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>DHTML</title>
<style>
/*<div id="tip">的css样式*/
#tip{
position:absolute;
left:60px;
width:0px;
height:0px;
color:#FFF;
font-size:12px;
background-color:#000;
border:1px solid #DEF;
filter:Alpha(Opacity=0);
opacity:0;
z-index:999;
}
</style>
<script type="text/javascript">
<!--
//定义“获得指定dom节点”的函数，因为其重用率高
function $(d){return document.getElementById(d);}
//控制div逐渐显示
var i = 0;
function change_show(){
var obj = $("tip");
i=i+5; //逐渐显示速度
obj.style.filter = "Alpha(Opacity=" + i + ")"; //透明度逐渐变小
obj.style.opacity = i/100; //兼容FireFox
if(i>=100){
clearInterval(s);
i=0;
}
}
//控制div逐渐消失
var j = 100;
function change_hidden(){
var obj = $("tip");
j=j-5; //逐渐消失速度
obj.style.filter = "Alpha(Opacity=" + j + ")"; //透明度逐渐变大
obj.style.opacity = j/100; //兼容FireFox
if(j<=0){
clearInterval(h);
//obj.style.display="none";
j=100;
}
}
//控制change_show()行为
var s;
function show(x){
if(s){clearInterval(s);}
$("tip").style.display="block";
s = setInterval(change_show,1);
}
//控制change_hidden()行为
function hidden(x){
$("tip").innerHTML="";
h = setInterval(change_hidden,1);
}
//-->
</script>
</head>
<body>
<!--按钮-->
滑过这里
<div id="tip" style="background-color:red;width:50%;height:50%;" onmouseover="show(this);" onmouseout="hidden(this);">
</div>
</body>
</html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>DHTML</title>
<style>
/*<div id="tip">的css样式*/
#tip{
position:absolute;
left:60px;
width:0px;
height:0px;
color:#FFF;
font-size:12px;
background-color:#000;
border:1px solid #DEF;
filter:Alpha(Opacity=0);
opacity:0;
z-index:999;
}
</style>
<script type="text/javascript">
<!--
//定义“获得指定dom节点”的函数，因为其重用率高
function $(d){return document.getElementById(d);}
//控制div逐渐显示
var i = 0;
function change_show(){
var obj = $("tip");
i=i+5; //逐渐显示速度
obj.style.filter = "Alpha(Opacity=" + i + ")"; //透明度逐渐变小
obj.style.opacity = i/100; //兼容FireFox
if(i>=100){
clearInterval(s);
i=0;
}
}
//控制div逐渐消失
var j = 100;
function change_hidden(){
var obj = $("tip");
j=j-5; //逐渐消失速度
obj.style.filter = "Alpha(Opacity=" + j + ")"; //透明度逐渐变大
obj.style.opacity = j/100; //兼容FireFox
if(j<=0){
clearInterval(h);
//obj.style.display="none";
j=100;
}
}
//控制change_show()行为
var s;
function show(x){
if(s){clearInterval(s);}
$("tip").style.display="block";
s = setInterval(change_show,1);
}
//控制change_hidden()行为
function hidden(x){
$("tip").innerHTML="";
h = setInterval(change_hidden,1);
}
//-->
</script>
</head>
<body>
<!--按钮-->
滑过这里
<div id="tip" style="background-color:red;width:50%;height:50%;" onmouseover="show(this);" onmouseout="hidden(this);">
</div>
</body>
</html>
