title: Break array into 4 arrays and store those arrays within a new array javascript/Jquery
body: <p>I have an array which I would like to break into 4 pieces (4 arrays), and then store those 4 arrays into another array.</p>
  
  <p>This is what I have so far:</p>
  
  <pre><code>a=[1,2,3,4,5,6,7,8,9,10,11,12]
  
  while(a.length) {
       a.splice(0,3); 
  }
  </code></pre>