tinymce.full.js
function (cls) {
        if (this.contains(cls)) {
          for (var i = 0; i < this.cls.length; i++) {
            if (this.cls[i] === cls) {
              break;
            }
          }

          this.cls.splice(i, 1);
          delete this.cls._map[cls];
          this._change();
        }

        return this;
      }
function (cls) {
        if (this.contains(cls)) {
          for (var i = 0; i < this.cls.length; i++) {
            if (this.cls[i] === cls) {
              break;
            }
          }

          this.cls.splice(i, 1);
          delete this.cls._map[cls];
          this._change();
        }

        return this;
      }
function ( cls ) { if ( this . contains ( cls ) ) { for ( var i = 0 ; i < this . cls . length ; i ++ ) { if ( this . cls [ i ] === cls ) { break ; } } this . cls . splice ( i , 1 ) ; delete this . cls . _map [ cls ] ; this . _change ( ) ; } return this ; }
Removes the specified class from the class list.

@method remove
@param {String} cls Class to be removed.
@return {tinymce.ui.ClassList} Current class list instance.
Removes the specified class from the class list .