title: click() event is calling twice in jQuery
body: <p>I setup a link element and called its click event in jQuery but the click event is calling twice, please see below the code of jQuery.</p>
  <pre><code>$(&quot;#link_button&quot;)
  .button()
  .click(function () {
     $(&quot;#attachmentForm&quot;).slideToggle(&quot;fast&quot;);
  });
  </code></pre>