Fixed some bugs relating to the setter arg change in val and html. Also...

Fixed some bugs relating to the setter arg change in val and html. Also optimized the code in val a bit.

src/attributes.js

@@ -195,28 +195,23 @@ jQuery.fn.extend({
 			return undefined;
 		}
 
-		// Typecast once if the value is a number
-		if ( typeof value === "number" ) {
-			value += "";
-		}
-
-		var val = value;
+		var isFunction = jQuery.isFunction(value);
 
 		return this.each(function(i) {
-			var self = jQuery(this);
+			var self = jQuery(this), val = value;
 
-			if ( jQuery.isFunction(value) ) {
-				val = value.call(this, i, self.val());
+			if ( this.nodeType !== 1 ) {
+				return;
+			}
 
-				// Typecast each time if the value is a Function and the appended
-				// value is therefore different each time.
-				if ( typeof val === "number" ) {
-					val += "";
-				}
+			if ( isFunction ) {
+				val = value.call(this, i, self.val());
 			}
 
-			if ( this.nodeType !== 1 ) {
-				return;
+			// Typecast each time if the value is a Function and the appended
+			// value is therefore different each time.
+			if ( typeof val === "number" ) {
+				val += "";
 			}
 
 			if ( jQuery.isArray(val) && rradiocheck.test( this.type ) ) {
@@ -226,7 +221,7 @@ jQuery.fn.extend({
 				var values = jQuery.makeArray(val);
 
 				jQuery( "option", this ).each(function() {
-					this.selected = jQuery.inArray( self.val(), values ) >= 0;
+					this.selected = jQuery.inArray( jQuery(this).val(), values ) >= 0;
 				});
 
 				if ( !values.length ) {

src/manipulation.js

@@ -173,7 +173,7 @@ jQuery.fn.extend({
 
 	html: function( value ) {
 		if ( value === undefined ) {
-			return this[0] ?
+			return this[0] && this[0].nodeType === 1 ?
 				this[0].innerHTML.replace(rinlinejQuery, "") :
 				null;