javascript - Animate the height of div -


i have stack of divs changes z-index on click. when new div gets highest z-index being placed on top want animate height of it. 0 100p, looks "grows".

anyone can on this?

jsfiddle: http://jsfiddle.net/nfp17etg/2/

<div class="holder">     <div class="one current">1</div>     <div class="two">2</div>     <div class="three">3</div> </div> <button>click</button> 
body {     margin:0;     padding:0; } .holder {     width: 100px;     height:100px;     border:1px solid #000000;     position: relative; }  .holder div {     width: 100px;     height: 100px;     position:absolute;     top:0;     left:0;     z-index:0; } .holder div.current{     z-index:1; } .one {    background:red; } .two {     background:green; } .three {     background: blue; } 
$("button").click(function(){     if ($(".holder >div:last-child").hasclass("current")) {         $(".holder >div:last-child").removeclass("current");         $(".holder >div:first-child").addclass("current");     }     else {          $(".current").removeclass("current").next().addclass("current");     } });

try one

$(document).ready(function(){     $("button").click(function(){         var div = $("div");         div.animate({height: '300px', opacity: '0.4'}, "slow");         div.animate({width: '300px', opacity: '0.8'}, "slow");         div.animate({height: '100px', opacity: '0.4'}, "slow");         div.animate({width: '100px', opacity: '0.8'}, "slow");     }); });

check jsfiddle demo:


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