code: function(array, item) {
              var index = ExtArray.indexOf(array, item);
  
              if (index !== -1) {
                  erase(array, index, 1);
              }
  
              return array;
          }
docs: Removes the specified item from the array if it exists
  
  @param {Array} array The array
  @param {Object} item The item to remove
  @return {Array} The passed array itself