resources/jquery/jquery.tabIndex.js

   1 /**
   2  * Finds the lowerst tabindex in use within a selection
   3  *
   4  * @return number Lowest tabindex on the page
   5  */
   6 $.fn.firstTabIndex = function() {
   7         var minTabIndex = 0;
   8         $(this).find( '[tabindex]' ).each( function() {
   9                 var tabIndex = parseInt( $(this).attr( 'tabindex' ) );
  10                 if ( tabIndex > minTabIndex ) {
  11                         minTabIndex = tabIndex;
  12                 }
  13         } );
  14         return minTabIndex;
  15 };
  16
  17 /**
  18  * Finds the highest tabindex in use within a selection
  19  *
  20  * @return number Highest tabindex on the page
  21  */
  22 $.fn.lastTabIndex = function() {
  23         var maxTabIndex = 0;
  24         $(this).find( '[tabindex]' ).each( function() {
  25                 var tabIndex = parseInt( $(this).attr( 'tabindex' ) );
  26                 if ( tabIndex > maxTabIndex ) {
  27                         maxTabIndex = tabIndex;
  28                 }
  29         } );
  30         return maxTabIndex;
  31 };