title: Click on a Span element
body: <p>i want to click on a span element ,DOM structure is </p>
  
  <pre><code>&lt;td &gt;
  &lt;a &gt;  &lt;/a&gt;
  &lt;/td&gt;
  </code></pre>
  
  <p>Once I click on td element DOM will be changing to</p>
  
  <pre><code>&lt;td &gt;
  &lt;input id=" "&gt;
  &lt;span id=" "&gt;&lt;/span&gt;
  &lt;/td&gt;
  </code></pre>
  
  <p>Since there is a anchor  tag ,every time when I perform a click on td element , it is drilling down and navigating to next page , How to Handle the scenario, 
  using selenium ios driver </p>