Fetch Handler
Background
Incoming HTTP requests to a Worker are passed to the fetch() handler as a Request object. To respond to the request with a response, return a Response object:
export default { async fetch(request, env, ctx) { return new Response('Hello World!'); },
};
Parameters
requestRequest- The incoming HTTP request.
envobject- The bindings available to the Worker. As long as the environment has not changed, the same object (equal by identity) may be passed to multiple requests.
ctx.waitUntil(promisePromise):void- Refer to
waitUntil.
- Refer to
ctx.passThroughOnException():void- Refer to
passThroughOnException.
- Refer to