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Showing content from http://developer.mozilla.org/en-US/docs/Web/API/FormData/delete below:

FormData: delete() method - Web APIs

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  1. Web
  2. Web APIs
  3. FormData
  4. delete()

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In this article
  1. XMLHttpRequest API
  2. FormData
  3. Constructor
    1. FormData()
  4. Instance methods
    1. append()
    2. delete()
    3. entries()
    4. get()
    5. getAll()
    6. has()
    7. keys()
    8. set()
    9. values()
  5. Related pages for XMLHttpRequest API
    1. ProgressEvent
    2. XMLHttpRequest
    3. XMLHttpRequestEventTarget
    4. XMLHttpRequestUpload
  6. Guides
    1. Using XMLHttpRequest
    2. HTML in XMLHttpRequest
    3. Synchronous and asynchronous requests
    4. Sending and Receiving Binary Data
    5. Using FormData Objects
In this article FormData: delete() method

Baseline Widely available

This feature is well established and works across many devices and browser versions. It’s been available across browsers since October 2018.

Note: This feature is available in Web Workers.

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

Syntax

js

delete(name)
Parameters
name

The name of the key you want to delete.

Return value

None (undefined).

Examples

You can delete a key and its values using delete():

js

formData.delete("username");
Specifications Specification XMLHttpRequest
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This page was last modified on Mar 6, 2024 by MDN contributors.

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