onPlaceholderKeyUp( event ) {
		if ( event.key === 'Enter' ) {
			this.onPlaceholderClick( event ); 
		}
	}
/**
	 * Handle pressing enter on selector placeholder.
	 *
	 * @param {Object} event The onKeyUp event.
	 */
Handle pressing enter on selector placeholder.
@param {Object} event The onKeyUp event.
Handle pressing enter on selector placeholder . @param { Object } event The onKeyUp event .
onPlaceholderKeyUp( event ) {
		if ( event.key === 'Enter' ) {
			this.onPlaceholderClick( event ); 
		}
	}
onPlaceholderKeyUp ( event ) { if ( event . key === 'Enter' ) { this . onPlaceholderClick ( event ) ; } }
Handle pressing enter on selector placeholder.
Handle pressing enter on selector placeholder .