Untitled

<div id="sorts" class="button-group">

  <button data-sort-by="original-order">original order</button>

  <button data-sort-by="name">name</button>

  <button data-sort-by="symbol">symbol</button>

  <button data-sort-by="number">number</button>

  <button data-sort-by="weight">weight</button>

  <button data-sort-by="category">category</button>

</div>

<div id="container">

  <div class="item transition metal" data-category="transition">

    <p class="number">79</p>

    <h3 class="symbol">Au</h3>

    <h2 class="name">Gold</h2>

    <p class="weight">196.966569</p>

  </div>

  <div class="item metalloid" data-category="metalloid">

    <p class="number">51</p>

    <h3 class="symbol">Sb</h3>

    <h2 class="name">Antimony</h2>

    <p class="weight">121.76</p>

  </div>

</div>

<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.3/jquery.min.js"></script>

<script src="//cdnjs.cloudflare.com/ajax/libs/jquery.isotope/2.2.0/isotope.pkgd.min.js"></script>

body {

  padding: 100px;

}

.button-group {

  margin: 5px;

}

.item {

  width: 150px;

  height: 150px;

  margin: 5px;

  padding: 10px;

  color: black;  

}

.item > * {

  margin: 0;

  padding: 0;

}

.metal {

  background-color: gold;

}

.metalloid {

  background-color: silver;

}

$(function(){

  var $container = $('#container').isotope({

    getSortData: {

      name: '.name',

      symbol: '.symbol',

      number: '.number parseInt',

      category: '[data-category]',

      weight: function( itemElem ) {

        var weight = $( itemElem ).find('.weight').text();

        return parseFloat( weight.replace( /[\(\)]/g, '') );

      }

    }

  });

  // sort items on button click

  $('#sorts').on( 'click', 'button', function() {

    var sortByValue = $(this).attr('data-sort-by');

    $container.isotope({ sortBy: sortByValue });

  });

});