How to set attribute of a webElement in Protractor?
<p>I'm using Protractor 2 and want to change the class attribute of a <code>webElement</code>.</p>

<p>Pretend I have this <code>menuWrapper</code> element which I need to append <code>show</code> to its class attribute.</p>

<p>What is the easiest way to achieve this? Except for <code>browser.executeScript()</code>.</p>