Backbone Template

Standard fiddle

HTML

<script src="http://ajax.cdnjs.com/ajax/libs/underscore.js/1.1.4/underscore-min.js"></script>
<script src="http://ajax.cdnjs.com/ajax/libs/backbone.js/0.3.3/backbone-min.js"></script>
<div>Hello</div>

<div class="this">Hi</div>

CSS

div {
    display:none;
}