Event

Adds on, once, off and has methods to the Window, Document and Element prototypes.

Usage

import

import "oj-event"

on

on(event: string | string[], cb: Function, opts?: IOptions): this

• adds the namespaced callback as an eventListener
• this will override any previous events with the same namespace
• if event is an array will recursively call on with each event

window.on("click.namespace", e => { ... })

off

off(event: string | string[]): this

• removes the namespaced event
• if event is an array will recursively call off with each event

window.off("click.namespace")

has

has(event: string | string[]): boolean

• returns true if the event or all events are subscribed

window.has("click.namespace")

Types

IOptions

{ 
  preventDefault?: boolean
  stopPropagation?: boolean
  capture?: boolean
  passive?: boolean 
 }