Limited Availability Fetch

Fetch upload streams

The fetch() method and Request() constructor accept a ReadableStream object as the request's body option, to stream upload data to the server.

Baseline Status: This feature is currently Limited (not yet Baseline). Latest engine implementation shipped on Sep 2, 2022.

Desktop Browser Engine Support

Google Chrome

105

Supported

Mozilla Firefox

—

Unsupported

Apple Safari

—

Unsupported

Microsoft Edge

105

Supported

Mobile Browser Engine Support

Chrome Android

105

Firefox Android

—

Safari iOS

—

Specifications and References

Specification ↗ Feature XML ↗

MDN Browser Compat Data Keys:

api.Request.Request.options_parameter.body.accepts_readablestream ↗ api.Request.body ↗ api.fetch.options_parameter.body.accepts_readablestream ↗