How to load the same page without add anchor

How to load the same page without add anchor

  1. <div data-role="page" id="index">
  2.       <a href="#memo" data-role="button">memo</a>
  3. </div>
  4. <div data-role="page" id="memo">
  5.       .......
  6. </div>

I want to load the memo page without the url automatic add anchor, because it will effect the back button function, can I?