Fetch API

Fetch Request Response ( , ). , , service workers, Cache API , (requests) (responses), , .

, CORS HTTP origin, .

, GlobalFetch.fetch. , Window WorkerGlobalScope. .

fetch() , . promise, (Response) , . (. Request.)

Response , , (. Body.)

, Request() Response(), , . , , API (, FetchEvent.respondWith service workers.)

jQuery

fetch() jQuery.ajax() :

• , fetch(), HTTP, HTTP 404 500. , ( ok false), - .
• fetch() -; fetch.
• fetch() -, credentials: 'same-origin'.

AbortController AbortSignal (aka The Abort API), , Fetch XHR, . .

Fetch

GlobalFetch

fetch(), .

Headers

/, .

Request

.

Response

.

Fetch

Body

, /, content-type , .

Specification
Fetch # fetch-method
Fetch # deferred-fetch

api.fetch

api.Window.fetchLater

• ServiceWorker API
• HTTP access control (CORS)
• HTTP
• Fetch
• Fetch