public static OnJqueryFunction on(final Attr events, final Attr selector, JavaScriptInlineFunction handler) {
        return on(events, selector, Attr.nullValue(), handler);
    }
public static OnJqueryFunction on ( final Attr events , final Attr selector , JavaScriptInlineFunction handler ) { return on ( events , selector , Attr . nullValue ( ) , handler ) ; }
creates a new {@link OnJqueryFunction} instance

@param selector The CSS selector for event delegation
@return new {@link OnJqueryFunction} instance