sort javascript array with word_number values
<p>how do I sort an array</p>

<pre><code>var arr = new Array("word_12", "word_59", "word_17");
</code></pre>

<p>so that I get</p>

<pre><code>["word_12", "word_17", "word_59"]
</code></pre>

<p>Thanks!</p>
