'use strict'; const common = require('../common'); const { strictEqual, throws, equal } = require('assert'); // Manually converted from https://github.com/web-platform-tests/wpt/blob/master/dom/events/CustomEvent.html // in order to define the `document` ourselves { const type = 'foo'; const target = new EventTarget(); target.addEventListener(type, common.mustCall((evt) => { strictEqual(evt.type, type); })); target.dispatchEvent(new Event(type)); } { throws(() => { new Event(); }, TypeError); } { const event = new Event('foo'); equal(event.type, 'foo'); equal(event.bubbles, false); equal(event.cancelable, false); equal(event.detail, null); }