Fixed the issue where getting an empty value was impossible. Fixes #5697.

src/attributes.js

@@ -164,7 +164,7 @@ jQuery.fn.extend({
 				var values = jQuery.makeArray(val);
 
 				jQuery( "option", this ).each(function() {
-					this.selected = jQuery.inArray( this.value || this.text, values ) >= 0;
+					this.selected = jQuery.inArray( this.value, values ) >= 0;
 				});
 
 				if ( !values.length ) {

test/unit/manipulation.js

@@ -619,7 +619,7 @@ test("clone() on XML nodes", function() {
 }
 
 test("val()", function() {
-	expect(9);
+	expect(11);
 
 	document.getElementById('text1').value = "bla";
 	equals( jQuery("#text1").val(), "bla", "Check for modified value of input element" );
@@ -641,6 +641,11 @@ test("val()", function() {
 
 	equals( jQuery('#option3e').val(), 'no value', 'Call val() on a option element with no value attribute' );
 
+	equals( jQuery('#option3a').val(), '', 'Call val() on a option element with no value attribute' );
+
+	jQuery('#select3').val("");
+	same( jQuery('#select3').val(), [''], 'Call val() on a multiple="multiple" select' );
+
 });
 
 var testVal = function(valueObj) {