Method addClass

typings/winjs/winjs-3.0.d.ts:8257–8257

* Adds the specified class to all the elements in the collection. * @param name The name of the class to add. * @returns This QueryCollection object.

(name: string)

         * @returns This QueryCollection object.
        **/
        addClass(name: string): QueryCollection<T>;

        /**
         * Creates a QueryCollection that contains the children of the specified parent element.