vue-material/src/core/utils/MdObserveEvent.js

Material Design for Vue.js

export default (el, eventName, observerFn, options) => {
  function killObserver () {
    el.removeEventListener(eventName, observerFn)
  }
  
  //fix click event for ios devices: https://stackoverflow.com/questions/3705937/document-click-not-working-correctly-on-iphone-jquery/17490775
  eventName && eventName.indexOf('click') >= 0 && /iP/i.test(navigator.userAgent) && (el.style.cursor = 'pointer')
  //
  el.addEventListener(eventName, observerFn, options || false)

  return {
    destroy: killObserver
  }
}