gistfile1.txt

$( '.et_pb_fullscreen_nav_container' ).on( 'click', 'li.menu-item-has-children > a', function() {
		var $this_parent = $( this ).closest( 'li' ),
			$this_arrow = $this_parent.find( '>a .et_mobile_menu_arrow' ),
			$closest_submenu =  $this_parent.find( '>ul' ),
			is_opened_submenu = $this_arrow.hasClass( 'et_pb_submenu_opened' ),
			sub_menu_max_height;

		$this_arrow.toggleClass( 'et_pb_submenu_opened' );

		if ( is_opened_submenu ) {
			$closest_submenu.removeClass( 'et_pb_slide_dropdown_opened' );
			$closest_submenu.slideToggle( 700, 'easeInOutCubic' );
		} else {
			$closest_submenu.slideToggle( 700, 'easeInOutCubic' );
			$closest_submenu.addClass( 'et_pb_slide_dropdown_opened' );
		}

		return false;
	} );