title: Addition with carryover in arrays in pure Javascript
body: <p>I want to create simple addition of array with carryover. Also need carryover and result value for display.</p>
  
  <p>Something like this:-</p>
  
  <p><img src="https://i.stack.imgur.com/8dbPB.png" alt="Image showing this task"></p>
  
  <p>e.g <code>var input = [[0,0,9],[0,9,9]];
   var carryover = [];
  var result = [];</code>  </p>
  
  <p>Thanks...</p>