# FormData methods in JavaScript

So `FormData` obtains the form data in an ordered way. This is usually needed to send this data to a server using JavaScript. At the same time, `FormData` has special methods that allow you to retrieve and modify form data.

These methods are the same as in `: `get``, `set`, `has`, `append`, `delete`, `getAll`

Modify the previous task. After getting the form data, add another key-value pair to that data and remove one of the existing pairs.

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