title: Get and store multidimensional array not JSON in Firebase
body: <p>I am using multidimensional array (not JSON) in Javascript.  </p>
  
  <pre><code>var Ar = [
   ['1','2013','A','Name1','1','1','3','3','1','2','3','4',''],
   ['2','2014','B','Name2','1','2','3','1','1','2','3','5',''],
   ['3','2015','C','Name3','1','2','4','4','1','2','5','4','']
  ];
  </code></pre>
  
  <p>To send or store Array <strong>Ar</strong> to <strong>Firebase</strong> Cloud I use:</p>
  
  <pre><code>var data = new Firebase("xxxx.firebaseIO.com");
  data.set(Ar);
  </code></pre>
  
  <p>I use this 2D array form a lot.</p>
  
  <p>What option do I have to get or store individual data or array back from Firebase Cloud?</p>
  
  <ol>
  <li>Like refresh and sync Array <strong>Ar</strong> with the Cloud</li>
  <li>Store new data the cloud <strong>Ar[2][3] = "New Text"</strong></li>
  <li>Get value from the cloud <strong>var x = Ar[2][3]</strong></li>
  </ol>
  
  <p>Hope you can help</p>
  
  <p>Thanks K</p>