Request: formData() method
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 formData() method of the Request interface reads the request body and returns it as a promise that resolves with a FormData object.
Syntax
js
formData() Parameters
None.
Return value
Examples
js
const formData = new FormData(); const fileField = document.querySelector('input[type="file"]'); formData.append("username", "abc123"); formData.append("avatar", fileField.files[0]); const request = new Request("/myEndpoint", { method: "POST", body: formData, }); request.formData().then((data) => { // do something with the formdata sent in the request }); Specifications
| Specification |
|---|
| Fetch # ref-for-dom-body-formdata① |