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Ilya Kantor 2019-07-03 17:31:06 +03:00
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5-network/02-formdata/article.md
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# FormData # FormData
This chapter is about sending HTML forms: with or without files, with additional fields and so on. [FormData](https://xhr.spec.whatwg.org/#interface-formdata) is the object to handle that. This chapter is about sending HTML forms: with or without files, with additional fields and so on. [FormData](https://xhr.spec.whatwg.org/#interface-formdata) objects can help with that.
The constructor is: The constructor is:
```js ```js
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If HTML `form` element is provided, it automatically captures its fields. If HTML `form` element is provided, it automatically captures its fields.
Network methods, such as `fetch` can use `FormData` objects as a body, they are automatically encoded and sent with `Content-Type: form/multipart`. Network methods, such as `fetch` accept `FormData` objects as a body. They are encoded and sent out with `Content-Type: form/multipart`.
So from the server point of view, that's a usual form submission. So, from the server point of view, that looks like a usual form submission.
## Sending a simple form ## Sending a simple form