JS Array Deep Iterator

array-iterator.js

  var arrayHelper = function () {
      this.myArray = [];

      this.deepIterator = function(givenArray, isRecursiveCall) {
        var _this = this;
        // Iterating the Given Array.
        givenArray.forEach(function (value, index) {
          // Check if iterated item is an Complex Variable.
          if(Array.isArray(value)) {
            _this.deepIterator(value, true);
          }
          else {
            _this.myArray.push(value);
          }

        });
        var singleArray = _this.myArray;

        // Empty the myArray Property, if its actual call.
        if(!isRecursiveCall) {
          _this.myArray = [];
        }

        return singleArray;
      }
  }

  var arrayHelper = new arrayHelper();
  var list = [[1,2,[3]],4];
  var complexList = [[1], [[2]], [[[3]]], [[[[4]]]], [[[[[5]]]]]];

  console.log('Given Array: ', arrayHelper.deepIterator(list));
  console.log('Complex Array: ', arrayHelper.deepIterator(complexList));