title: javascript string remove a character at position X and add to start
body: <p>If I have a string and a number:</p>
  
  <pre><code>var str='Thisisabigstring';
  var numb=7;
  </code></pre>
  
  <p>I'm trying to remove the character at position <code>'numb'</code> from the string and then put it at the beginning of the string.  </p>
  
  <p>Trying for output like:</p>
  
  <pre><code>'aThisisbigstring';
  </code></pre>
  
  <p>How can I do this with javascript/jquery?</p>