Decode html-entities using jQuery
HTML
<div id="container"></div>
JavaScript
//var str = $('#container').text();
var str = "<p>fddfg dfgdfgdfg dfgdfgdfgd <em>asdasd</em> <strong>cvbncvbn</strong> <code>&lt;div id='asd'&gt;asd&lt;/div&gt;</code></p>";
$('#container').html(str.replace('&lt;','<').replace('&gt;', '>'));
console.log($('#container').html());