Web/API/FormData/delete

The delete() method of the FormData interface deletes a key and its value(s) from a FormData object.

Note: This method is available in Web Workers.

Syntax

formData.delete(name);

Parameters

name

The name of the key you want to delete.

Returns

Void.

Example

The following line creates an empty FormData object and prepopulates it with key/value pairs from a form:

var formData = new FormData(myForm);

You can delete keys and their values using delete():

formData.delete('username');

Specifications

Specification	Status	Comment
XMLHttpRequestThe definition of 'delete()' in that specification.	Living Standard

Browser compatibility

The compatibility table on this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request.

Update compatibility data on GitHub

	Desktop						Mobile
	Chrome	Edge	Firefox	Internet Explorer	Opera	Safari	Android webview	Chrome for Android	Firefox for Android	Opera for Android	Safari on iOS	Samsung Internet
delete	Chrome Full support 50	Edge Full support 18	Firefox Full support 39	IE No support No	Opera Full support Yes	Safari Full support 11	WebView Android Full support Yes	Chrome Android Full support 50	Firefox Android Full support Yes	Opera Android Full support Yes	Safari iOS No support No	Samsung Internet Android Full support 5.0

Legend

Full support  

Full support

No support  

No support

See also

• XMLHTTPRequest
• Using XMLHttpRequest
• Using FormData objects
• <form>

FormData.delete() by Mozilla Contributors is licensed under CC-BY-SA 2.5.