Fix #12026. Let props in $(html, props) be any jQuery.fn method.

Closes gh-839.

src/attributes.js

@@ -281,17 +281,6 @@ jQuery.extend({
 		}
 	},
 
-	attrFn: {
-		val: true,
-		css: true,
-		html: true,
-		text: true,
-		data: true,
-		width: true,
-		height: true,
-		offset: true
-	},
-
 	attr: function( elem, name, value, pass ) {
 		var ret, hooks, notxml,
 			nType = elem.nodeType;
@@ -301,7 +290,7 @@ jQuery.extend({
 			return;
 		}
 
-		if ( pass && name in jQuery.attrFn ) {
+		if ( pass && jQuery.isFunction( jQuery.fn[ name ] ) ) {
 			return jQuery( elem )[ name ]( value );
 		}