js实现正方形颜色从下往上升的效果
投稿：whsnow
大家有没有看到类似颜色从下往上升的效果，在本例将与大家介绍下此效果的具体实现
<!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>
</head>
<script src="jquery-1.8.2.js" type="text/javascript"></script>
<script type="text/javascript">
$(function(){
interid=setInterval(Showgao,1);
var i=1;
$('#top').height(8);
$('#buttom').css('marginTop',42);
$('#buttom').css('background','#d6d6d6');
function Showgao()
{
var oldH=$('#buttom').css('marginTop');
var h= oldH.substr(0,oldH.indexOf('px'));
$('#buttom').css('marginTop',h-1);
$('#buttom').height(i);
i++;
if(i==42){clearInterval(interid);}
}
interid1=setInterval(Showgao1,1);
var i1=1;
$('#top1').height(4);
$('#buttom1').css('marginTop',46);
$('#buttom1').css('background','red');
function Showgao1()
{
var oldH=$('#buttom1').css('marginTop');
var h= oldH.substr(0,oldH.indexOf('px'));
$('#buttom1').css('marginTop',h-1);
$('#buttom1').height(i1);
i1++;
if(i1==30){clearInterval(interid1);}
}
});
</script>
<body>
<style>
.container{width:20px;height:50px;border:1px solid #999;font-size:10px;float:left;margin-left:5px;}
</style>
<div class="container" onclick="javascript:alert(1);" >
<div id="top">82%</div>
<div id="buttom"></div>
</div>
<div class="container" onclick="javascript:alert(1);" >
<div id="top1" >62%</div>
<div id="buttom1"></div>
</div>
</body>
</html>