diff options
Diffstat (limited to 'actionview/app/assets/javascripts/rails-ujs/utils/event.coffee')
| -rw-r--r-- | actionview/app/assets/javascripts/rails-ujs/utils/event.coffee | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/actionview/app/assets/javascripts/rails-ujs/utils/event.coffee b/actionview/app/assets/javascripts/rails-ujs/utils/event.coffee index a2135c9851..a7eee52060 100644 --- a/actionview/app/assets/javascripts/rails-ujs/utils/event.coffee +++ b/actionview/app/assets/javascripts/rails-ujs/utils/event.coffee @@ -11,8 +11,18 @@ if typeof CustomEvent isnt 'function' evt = document.createEvent('CustomEvent') evt.initCustomEvent(event, params.bubbles, params.cancelable, params.detail) evt + CustomEvent.prototype = window.Event.prototype + # Fix setting `defaultPrevented` when `preventDefault()` is called + # http://stackoverflow.com/questions/23349191/event-preventdefault-is-not-working-in-ie-11-for-custom-events + { preventDefault } = CustomEvent.prototype + CustomEvent.prototype.preventDefault = -> + result = preventDefault.call(this) + if @cancelable and not @defaultPrevented + Object.defineProperty(this, 'defaultPrevented', get: -> true) + result + # Triggers a custom event on an element and returns false if the event result is false # obj:: # a native DOM element |