if typeof window.CustomEvent == “function”
return false
CustomEvent = ( event, params ) ->
params = params || { bubbles: false, cancelable: false, detail: undefined } evt = document.createEvent( 'CustomEvent' ) evt.initCustomEvent( event, params.bubbles, params.cancelable, params.detail ) return evt
CustomEvent.prototype = window.Event.prototype
window.CustomEvent = CustomEvent