var simulateTouch = require('simulate-touch')

simulateTouch(document.body)

document.body.addEventListener('touchstart', function () {
  console.log('touch start')
})

  var mousedownEvent = document.createEvent("MouseEvent");
  mousedownEvent.initMouseEvent(event, true, true, window, 0,
                                 0, 0, 0, 0,
                                 false, false, false, false,
                                 0, null);


document.body.dispatchEvent(mousedownEvent)
// touch started