resources/jquery/jquery.tabIndex.js

   1 /**
   2  * Finds the lowerst tabindex in use within a selection
   3  *
   4  * @return Integer of lowest tabindex on the page
   5  */
   6 jQuery.fn.firstTabIndex = function() {
   7         var minTabIndex = 0;
   8         jQuery(this).find( '[tabindex]' ).each( function() {
   9                 var tabIndex = parseInt( jQuery(this).attr( 'tabindex' ) );
  10                 if ( tabIndex > minTabIndex ) {
  11                         minTabIndex = tabIndex;
  12                 }
  13         } );
  14         return minTabIndex;
  15 };
  16 /**
  17  * Finds the highest tabindex in use within a selection
  18  *
  19  * @return Integer of highest tabindex on the page
  20  */
  21 jQuery.fn.lastTabIndex = function() {
  22         var maxTabIndex = 0;
  23         jQuery(this).find( '[tabindex]' ).each( function() {
  24                 var tabIndex = parseInt( jQuery(this).attr( 'tabindex' ) );
  25                 if ( tabIndex > maxTabIndex ) {
  26                         maxTabIndex = tabIndex;
  27                 }
  28         } );
  29         return maxTabIndex;
  30 };