title: how to addClass to its equal index .....(JQUERY)
body: <pre><code>&lt;ul&gt;
     &lt;li&gt;Index 0&lt;/li&gt;
     &lt;li&gt;Index 1&lt;/li&gt;
     &lt;li&gt;Index 2&lt;/li&gt;
  &lt;/ul&gt;
  &lt;div&gt;
       &lt;a&gt;Index 0&lt;/a&gt;
       &lt;a&gt;Index 1 (If i click this this this i want to addClass to it to LI with the same index of this )&lt;/a&gt;
       &lt;a&gt;Index 2&lt;/a&gt;
  &lt;/div&gt;
  </code></pre>