Request: arrayBuffer() method

Baseline Widely available

This feature is well established and works across many devices and browser versions. It’s been available across browsers since March 2017.

Note: This feature is available in Web Workers.

The arrayBuffer() method of the Request interface reads the request body and returns it as a promise that resolves with an ArrayBuffer.

Syntax

js
arrayBuffer()

Parameters

None.

Return value

A promise that resolves with an ArrayBuffer.

Examples

js
const myArray = new Uint8Array(10);

const request = new Request("/myEndpoint", {
  method: "POST",
  body: myArray,
});

request.arrayBuffer().then((buffer) => {
  // do something with the buffer sent in the request
});

Specifications

Specification
Fetch Standard
# ref-for-dom-body-arraybuffer①

Browser compatibility

Report problems with this compatibility data on GitHub
desktopmobileserver
Chrome
Edge
Firefox
Opera
Safari
Chrome Android
Firefox for Android
Opera Android
Safari on iOS
Samsung Internet
WebView Android
WebView on iOS
Deno
Node.js
arrayBuffer

Legend

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Full support
Full support

See also