wp-content/themes/twentysixteen/js/keyboard-image-navigation.js

   1 /**
   2  * Twenty Sixteen keyboard support for image navigation.
   3  */
   4
   5 ( function( $ ) {
   6         $( document ).on( 'keydown.twentysixteen', function( e ) {
   7                 var url = false;
   8
   9                 // Left arrow key code.
  10                 if ( 37 === e.which ) {
  11                         url = $( '.nav-previous a' ).attr( 'href' );
  12
  13                 // Right arrow key code.
  14                 } else if ( 39 === e.which ) {
  15                         url = $( '.nav-next a' ).attr( 'href' );
  16
  17                 // Other key code.
  18                 } else {
  19                         return;
  20                 }
  21
  22                 if ( url && ! $( 'textarea, input' ).is( ':focus' ) ) {
  23                         window.location = url;
  24                 }
  25         } );
  26 } )( jQuery );