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HTML <button> formenctype Attribute

HTML button Tag Reference HTML <button> tag

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 »

Browser Support

Internet Explorer Firefox Opera Google Chrome Safari

The formenctype attribute is supported in Internet Explorer 10, Firefox, Opera, Chrome, and Safari 6.

Note: The formenctype attribute of the <button> tag is not supported in Internet Explorer 9 and earlier versions.

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".

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 Reference HTML <button> tag

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