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 inWeb Workers.
ThearrayBuffer() method of theRequest interfacereads the request body and returns it as a promise that resolves with anArrayBuffer.
Syntax
js
arrayBuffer()Parameters
None.
Return value
A promise that resolves with anArrayBuffer.
Exceptions
TypeErrorThrown for one of the following reasons:
- The request body isdisturbed or locked.
- There was an error decoding the body content (for example, because the
Content-Encodingheader is incorrect).
RangeErrorThrown if there is a problem creating the associated
ArrayBuffer(for example, if the data size is too large).
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 # ref-for-dom-body-arraybuffer① |