Whats the quickest way to get rid of all the properties of a an object in javascript?
<p>I have an on object like so</p>

<pre><code>var obj = {};
function set()
{
   obj.x1 = 20;
   obj.y1 = 35;
   obj.x2 = 60;
   obj.y2 = 55;
   ...
}
</code></pre>

<p>Whats the quickest way to delete/reset all of the properties of obj?</p>
