FCC Chunky Monkey.js

// https://www.freecodecamp.com/challenges/chunky-monkey/
function chunkArrayInGroups(arr, size) {
  
  // avoid infinite loop
  if( arr.length === 0 || size === 0)
    { return false; }
  
  var chunkedList = [];
  
  for ( var i=0; i < arr.length; i += size) 
  {
      var temp = arr.slice(i, i+size);
      chunkedList.push(temp);
  }
  return chunkedList;
}
chunkArrayInGroups(["a", "b", "c", "d"], 2);