title: split is not a function on array
body: <p>I have just started programming with javascript. I am trying to work with arrays and I don't understand why I am getting a split is not a function error, when I try to split the content of the array like in the following code.</p>
  
  <pre><code>var addressArray=[[]];
  /*
  some code to pass values to the addressArray 
  
  */
  
  var values=addressArray[i].split(/ ,+/);
  </code></pre>
  
  <p>the error is occuring where I am spliting</p>