1 window.wp = window.wp || {};

     2 

     3 ( function ( wp, $ ) {

     4 	'use strict';

     5 

     6 	var $container;

     7 

     8 	/**

     9 	 * Update the ARIA live notification area text node.

    10 	 *

    11 	 * @since 4.2.0

    12 	 *

    13 	 * @param {String} message

    14 	 */

    15 	function speak( message ) {

    16 		if ( $container ) {

    17 			$container.text( message );

    18 		}

    19 	}

    20 

    21 	/**

    22 	 * Initialize wp.a11y and define ARIA live notification area.

    23 	 *

    24 	 * @since 4.2.0

    25 	 */

    26 	$( document ).ready( function() {

    27 		$container = $( '#wp-a11y-speak' );

    28 

    29 		if ( ! $container.length ) {

    30 			$container = $( '<div>', {

    31 				id: 'wp-a11y-speak',

    32 				role: 'status',

    33 				'aria-live': 'polite',

    34 				'aria-relevant': 'all',

    35 				'aria-atomic': 'true',

    36 				'class': 'screen-reader-text'

    37 			} );

    38 

    39 			$( document.body ).append( $container );

    40 		}

    41 	} );

    42 

    43 	wp.a11y = wp.a11y || {};

    44 	wp.a11y.speak = speak;

    45 

    46 } )( window.wp, window.jQuery );