jQuery psedu-selectors

jQuery-pseduSelector-between.js

/*
Sten Hougaard, 2012-08-08
29/05/2014 10.55: Updated
Extends jQuery with psedu-selector:
:between(iFrom, iTo)
Will return elements which has position between iFrom and iTo.
*/
(function($) {
  $.extend($.expr[':'], {
    between: function(element, index, matches, set) {
		var fromTo =matches[3].split(',');
		return (index>=fromTo[0] && index<=fromTo[1]);
    }
  });
})(jQuery);

jQuery-pseduSelector-emptyValue.js

/*
Sten Hougaard, 2012-12-05
Extends jQuery with psedu-selector:
:emptyValue
Will return true if a trimmed value of an element is empty.
*/
(function($) {
	$.extend($.expr[':'],{
	    emptyValue: function(element, index, matches, set){
	        return $.trim($(element).val()) === "";
	    }
	});
})(jQuery);