# Sending data via AJAX using FormData in JavaScript

You can also send data to a server using `FormData`:

`let formData = new FormData(); formData.set('num1', '1'); formData.set('num2', '2'); let promise = fetch('/handler/', { method: 'POST', body: formData, });`

Given an object with data:

`let obj = { a: 1, b: 2, c: 3 }`

Using a loop, form a `formData` object from this object and send it to a server using the POST method.

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