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HTML <keygen> disabled Attribute

HTML keygen Tag Reference HTML <keygen> tag

Example

A disabled <keygen> element:

<form action="demo_keygen.asp" method="get">
  Username: <input type="text" name="usr_name">
  Encryption: <keygen name="security" disabled>
  <input type="submit">
</form>

Try it yourself »

Definition and Usage

The disabled attribute is a boolean attribute.

When present, it specifies that a <keygen> element should be disabled. A disabled field is unusable and un-editable.

The disabled attribute can be set to keep a user from using the field until some other condition has been met (like selecting a checkbox, etc.). Then, a JavaScript could remove the disabled value, and make the field usable.


Browser Support

The numbers in the table specify the first browser version that fully supports the attribute.

Attribute
disabled Yes Not supported Yes 6.0 Yes


Differences Between HTML 4.01 and HTML5

The <keygen> tag is new in HTML5.


Differences Between HTML and XHTML

In XHTML, attribute minimization is forbidden, and the disabled attribute must be defined as <keygen disabled="disabled" />.


Syntax

<keygen disabled>


HTML keygen Tag Reference HTML <keygen> tag

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