evoShop.$( selector )

arguments:

selector: string of a css selector

returns:

evoShop.ELEMENT object containing one or more DOM elements if the selector matches anything on the page

Before:

<ul>
    <li class="item">Item 1</li>
    <li class="item">Item 2</li>
    <li class="item">Item 3</li>
</ul>

var items = evoShop.$('li.item');
items.addClass('cool');

After:

<ul>
    <li class="item cool">Item 1</li>
    <li class="item cool">Item 2</li>
    <li class="item cool">Item 3</li>
</ul>