How to use JavaScript EventTarget?

Question

I would like to create a custom event emitter in my client-side programs. I am referencing this (sparse) documentation for EventTarget

My implementation atte

Answer 1

sample code snippet to use javascript EventTarget

// attach event var ev = EventTarget.prototype.addEventListener.call(null, 'alert', () => alert('ALERTED')) // dispatch event ev.dispatchEvent.call(null, new Event('alert'))