jquery - Transition for a Collapse -


i'm working on custom collapser don't know how can make transition when hiding.
searching online found "display: none;", doesn't support transition.
i've tried height: auto; , height: 0px; doesn't support transition too.

here's code:

html 

<a class="clp" href="#clp-1"><div>button</div></a> <div class="clp-body clp-show" id="clp-1">lorem ipsum</div>

css 

 .clp > div {   border: 1px solid black;   border-radius: 3px;   width: 150px;   padding: 5px; }  .clp {   text-decoration: none;   font-family: verdana;   color: black; }  .clp-body {   border: 1px solid black;   border-radius: 3px;   width: 150px;   padding: 5px;   margin-top: 5px;   transition: 0.5s ease; }  .clp-show {   opacity: 1; }  .clp-show {   opacity: 0;   display: none; /* example */ }

js (jquery) 

 $('a.clp').click(function(){   var value = $(this).attr("href");   if ($('div'+(value)).hasclass('clp-show')) {     $('div'+(value)).addclass('clp-hide');     $('div'+(value)).removeclass('clp-show');   }   else {     $('div'+(value)).removeclass('clp-hide');     $('div'+(value)).addclass('clp-show');   }; });

here's link: https://codepen.io/keyon/pen/937706ce73bc3f68cbeff6dd6faf6c87

you can use jquery's slidedown() , slideup() , expand , collapse div this:

$('#clp-1').slidedown(); // expand $('#clp-1').slideup(); // collapse

you'll need remove css line transition: 0.5s ease; jquery sliding work properly.


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