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="demo_post_enctype.asp" method="post">
Name: <input type="text" name="fname" value="Ståle Refsnes"><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 | 10.6 |
Differences Between HTML 4.01 and HTML5
The formenctype attribute is new in HTML5.
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 | No characters are encoded (use this when you are using forms that have a file upload control) |
| text/plain | Spaces are converted to "+" symbols, but no characters are encoded |
HTML <button> tag
