Request: bodyUsed property

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 bodyUsed read-only property of the Request interface is a boolean value that indicates whether the request body has been read yet.

Value

A boolean value.

Examples

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

request.bodyUsed; // false

request.text().then((bodyAsText) => {
  console.log(request.bodyUsed); // true
});

Specifications

Specification
Fetch
# ref-for-dom-body-bodyused①

Browser compatibility

desktop mobile server
Chrome
Edge
Firefox
Opera
Safari
Chrome Android
Firefox for Android
Opera Android
Safari on iOS
Samsung Internet
WebView Android
WebView on iOS
Bun
Deno
Node.js
bodyUsed
Chrome – Full support
Chrome 42 (Release date: 2015-04-14)
footnote Full support
Edge – Full support
Edge 14 (Release date: 2016-08-02)
footnote Full support
Firefox – Full support
Firefox 39 (Release date: 2015-07-02)
footnote Full support
Opera – Full support
Opera 29 (Release date: 2015-04-28)
footnote Full support
Safari – Full support
Safari 10.1 (Release date: 2017-03-27)
footnote Full support
Chrome Android – Full support
Chrome Android 42 (Release date: 2015-04-15)
footnote Full support
Firefox for Android – Full support
Firefox for Android 39 (Release date: 2015-07-02)
footnote Full support
Opera Android – Full support
Opera Android 29 (Release date: 2015-04-28)
footnote Full support
Safari on iOS – Full support
Safari on iOS 10.3 (Release date: 2017-03-27)
footnote Full support
Samsung Internet – Full support
Samsung Internet 4 (Release date: 2016-03-11)
footnote Full support
WebView Android – Full support
WebView Android 42 (Release date: 2015-04-15)
footnote Full support
WebView on iOS – Full support
WebView on iOS 10.3 (Release date: 2017-03-27)
footnote Full support
Bun – Full support
Bun 1 (Release date: 2023-09-08)
footnote Full support
Deno – Full support
Deno 1 (Release date: 2020-05-13)
footnote Full support
Node.js – Full support
Node.js 18 (Release date: 2022-04-19)
footnote Full support

Legend

Tip: you can click/tap on a cell for more information.

Full support
Full support

See also