js实现正方形颜色从下往上升的效果_javascript技巧

<!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>
js实现正方形颜色从下往上升的效果_javascript技巧_
