example/dist/production.js
function(prop, current) {
                    if (prop in this._data) {
                        // Delete the property from `_data` and the Map
                        // as long as it isn't part of the Map's prototype.
                        delete this._data[prop];
                        if (!(prop in this.constructor.prototype)) {
                            delete this[prop];
                        }
                        // Let others now this property has been removed.
                        this._triggerChange(prop, "remove", undefined, current);

                    }
                }
function(prop, current) {
                    if (prop in this._data) {
                        // Delete the property from `_data` and the Map
                        // as long as it isn't part of the Map's prototype.
                        delete this._data[prop];
                        if (!(prop in this.constructor.prototype)) {
                            delete this[prop];
                        }
                        // Let others now this property has been removed.
                        this._triggerChange(prop, "remove", undefined, current);

                    }
                }
function ( prop , current ) { if ( prop in this . _data ) { // Delete the property from `_data` and the Map // as long as it isn't part of the Map's prototype. delete this . _data [ prop ] ; if ( ! ( prop in this . constructor . prototype ) ) { delete this [ prop ] ; } // Let others now this property has been removed. this . _triggerChange ( prop , "remove" , undefined , current ) ; } }
Remove a property.
Remove a property .