wp-includes/js/wp-a11y.js

   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 );