FormDataEvent: FormDataEvent() constructor

Baseline Widely available

This feature is well established and works across many devices and browser versions. It’s been available across browsers since ⁨September 2021⁩.

The FormDataEvent() constructor creates a new FormDataEvent object.

Syntax

new FormDataEvent(type, formEventInit)

Parameters

type

A string with the name of the event. It is case-sensitive and browsers always set it to formdata.

options

An object that, in addition of the properties defined in Event() , can have the following properties:

formData: A FormData object to pre-populate the FormDataEvent with. This would then be accessed through the FormDataEvent.formData property.

Return value

A new FormDataEvent object.

Examples

const fd = new FormData();
fd.append("test", "test");
const fdEv = new FormDataEvent("formdata", { formData: fd });
for (const value of fdEv.formData.values()) {
 console.log(value);
}