Method hasClass

typings/winjs/winjs-3.0.d.ts:8308–8308

* Determines whether the specified class exists on the first element of the collection. * @param name The name of the class. * @returns true if the element has the specified class; otherwise, false.

(name: string)

         * @returns true if the element has the specified class; otherwise, false.
        **/
        hasClass(name: string): boolean;

        /**
         * Looks up an element by ID and wraps the result in a QueryCollection.