Web Worker

Syntax

• new Worker(file)
• postMessage(data, transfers)
• onmessage = function(message) { /* … */ }
• onerror = function(message) { /* … */ }
• terminate()

Remarks

• Service workers are only enabled for websites served over HTTPS.

Web workers

A simple service worker

Register a service worker

Terminate a worker

Communicating with a web worker

Populating your cache

Dedicated workers and shared Workers