nodejs phantom add click event

page.evaluate( function() {
    // find element to send click to
    var element = document.querySelector( 'span.control.critical.closer' );

    // create a mouse click event
    var event = document.createEvent( 'MouseEvents' );
    event.initMouseEvent( 'click', true, true, window, 1, 0, 0 );

    // send click to element
    element.dispatchEvent( event );
});