HTML <button> formenctype Attribute
Example
A form with two submit buttons. The first submit button submits the form data with default character encoding, and the second submits the form data without character encoding:
<form action="/action_page_binary.asp" method="post">
<label for="fname">First name:</label>
<input type="text" id="fname"
name="fname" value="Ståle"><br><br>
<button type="submit">Submit with character encoding</button>
<button type="submit" formenctype="text/plain">Submit without character encoding</button>
</form>
Try it Yourself »
Definition and Usage
The formenctype attribute specifies how form-data should be encoded before
sending it to a server. This attribute overrides the form's enctype attribute.
The formenctype attribute is only used for buttons with
type="submit".
Browser Support
The numbers in the table specify the first browser version that fully supports the attribute.
| Attribute | |||||
|---|---|---|---|---|---|
| formenctype | 9.0 | 10.0 | 4.0 | 5.1 | 11.5 |
Syntax
<button type="submit" formenctype="value">
Attribute Values
| Value | Description |
|---|---|
| application/x-www-form-urlencoded | Default. All characters will be encoded before sent |
| multipart/form-data | This value is necessary if the user will upload a file through the form |
| text/plain | Sends data without any encoding at all. Not recommended |
❮ HTML <button> tag
