Filter divs like isotopes in jQuery

by santosh_patnala

HTML

<button class="active btn" id="all">Show All</button>
<button class="btn" id="a">Show A</button>
<button class="btn" id="b">Show B</button>
<button class="btn" id="c">Show C</button>
<button class="btn" id="d">Show D</button>

<!-- An element with an id is needed for the jQuery -->
<div id="parent">
  <!-- The base class is the box. Categories are then given as accessory classes. Any div can be in more than one category -->
  <div class="box a b">A &amp; B</div>
  <div class="box a">A</div>
  <div class="box b">B</div>
  <div class="box c">C</div>
  <div class="box d">D</div>
</div>

JavaScript

var $btns = $('.btn').click(function() {
  if (this.id == 'all') {
    $('#parent > div').fadeIn(450);
  } else {
    var $el = $('.' + this.id).fadeIn(450);
    $('#parent > div').not($el).hide();
  }
  $btns.removeClass('active');
  $(this).addClass('active');
})