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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
XMLHttpRequest
The definition of 'delete()' in that specification.
Living Standard

Browser compatibilityUpdate compatibility data on GitHub

Desktop
Chrome Edge Firefox Internet Explorer Opera Safari
Basic support 50 No 39 No Yes Yes
Mobile
Android webview Chrome for Android Edge Mobile Firefox for Android Opera for Android iOS Safari Samsung Internet
Basic support ? 50 No Yes Yes No ?

See also

© 2005–2018 Mozilla Developer Network and individual contributors.
Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-US/docs/Web/API/FormData/delete