jquery - Expand parent div when height of position:absolute child div is increased -


i have parent div , 2 child div's. 

<div id="parent">     <div class="child1 col-2"></div>     <div class="child2 col-10"></div> </div>

the child1 absolutely positioned , contains collapsible items. when expand collapsible items in child1 height increases. how increase height of parent div and/or child2 div when height of child1 increases after page has loaded?

your first child (child1) position absolute, need calculate height of first div , assigned top value second div

demo

html

<div id="parent">     <div class="child1 col-2">child1<br/>test1         <a class="collapse" href="#">collapse</a>         <div class="insidediv">             test inside         </div>     </div>     <div class="child2 col-10">child2</div> </div>

css

.child1 {     position:absolute; } .child2 {     position:relative; } .insidediv {     display:none; }

jquery

var child1height = $(".child1").height(); $(".child2").css('top' , child1height);   $(".child1 .collapse").click(function(){     $(".insidediv").slidedown(function(){                 var countheight = $(".child1").height();         $(".child2").css('top' , countheight);         }); })

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