tinymce.full.js
function (items) {
        var self = this;

        // Force single item into array
        if (!Tools.isArray(items)) {
          if (items instanceof Collection) {
            self.add(items.toArray());
          } else {
            push.call(self, items);
          }
        } else {
          push.apply(self, items);
        }

        return self;
      }
function (items) {
        var self = this;

        // Force single item into array
        if (!Tools.isArray(items)) {
          if (items instanceof Collection) {
            self.add(items.toArray());
          } else {
            push.call(self, items);
          }
        } else {
          push.apply(self, items);
        }

        return self;
      }
function ( items ) { var self = this ; // Force single item into array if ( ! Tools . isArray ( items ) ) { if ( items instanceof Collection ) { self . add ( items . toArray ( ) ) ; } else { push . call ( self , items ) ; } } else { push . apply ( self , items ) ; } return self ; }
Adds new items to the control collection.

@method add
@param {Array} items Array if items to add to collection.
@return {tinymce.ui.Collection} Current collection instance.
Adds new items to the control collection .