title: Javascript/JQuery event arguments. I don't understand what this 'e' argument is or does
body: <p>JQuery:</p>
  
  <pre><code>this.saveButton.click(function (e) {
      scope.saveForm();
  });
  </code></pre>
  
  <p>This is a very simple line of JQuery that binds the .click() event to the saveButton object and calls a saveForm function when the event is fired.</p>
  
  <p>When this event is called, what is 'e'?  I don't think it is ever used.</p>