How can I match part of a string with jQuery?
<p>Say there's a string like</p>

<blockquote>
  <p>"... width=600 height=1200 ...".</p>
</blockquote>

<p>I want to get string after <code>"width="</code> and before <code>" "</code>, which is <code>600</code>.</p>

<p>How can I do this?</p>
