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Request.blob() - Web API | MDN

Request.blob()

Baseline Widely available

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

语法 参数

无。

返回值

一个 promise,会兑现一个 Blob。

示例
const obj = { hello: "world" };
const myBlob = new Blob([JSON.stringify(obj, null, 2)], {
  type: "application/json",
});

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

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