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Syntax

js

arrayBuffer()

Parameters

None.

Return value

A promise that resolves with an ArrayBuffer.

Exceptions

TypeError

Thrown for one of the following reasons:

RangeError

Thrown 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

Browser compatibility

See also

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