Request.arrayBuffer()

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.

Request 接口的 arrayBuffer() 方法读取请求体并将其作为一个 promise 返回，该 promise 将兑现一个 ArrayBuffer。

语法

js
arrayBuffer()

参数

无。

返回值

一个 promise，会兑现一个 ArrayBuffer。

示例

js
const myArray = new Uint8Array(10);

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

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

规范

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

浏览器兼容性

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参见