// When the frontend of Elementor is created, add our handler
jQuery( window ).on( 'elementor/frontend/init', () => {
  const addHandler = ( $element ) => {
    elementorFrontend.elementsHandler.addHandler( MyElementorHandler, {
      $element,
    } );
  };
  // Add our handler to the my-elementor Widget (this is the slug we get from get_name() in PHP)
  elementorFrontend.hooks.addAction( 'frontend/element_ready/my-elementor.default', addHandler );
 } );