classWORKER
EventTarget
js/worker.js:787
EventTarget()Base event target used by Worker objects, Worker global scopes and BroadcastChannel objects.
Documentation/EventTarget
methodWORKER
addEventListener
js/worker.js:794
addEventListener(type, callback, options)Registers an event listener.
Parameters
| Name | Type | Description |
|---|---|---|
type | string | |
callback | (function|Object) | Function or object with a handleEvent() method. |
optionsoptional | (boolean|Object) |
methodWORKER
dispatchEvent
js/worker.js:812
dispatchEvent(event)Dispatches an event to registered listeners.
Parameters
| Name | Type | Description |
|---|---|---|
event | Event |
Returns
boolean — false when a cancelable event was canceled, otherwise true.
methodWORKER
removeEventListener
js/worker.js:803
removeEventListener(type, callback, options)Removes a matching event listener.
Parameters
| Name | Type | Description |
|---|---|---|
type | string | |
callback | (function|Object) | |
optionsoptional | (boolean|Object) |