Example
A <keygen> element located outside the form (but still a part of the form):
<form action="demo_keygen.asp" method="get" id="secureform">
Username: <input type="text" name="usr_name">
<input type="submit">
</form>
Encryption: <keygen name="security" form="secureform">
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Definition and Usage
The form attribute specifies one or more forms the <keygen> element belongs to.
Browser Support
The numbers in the table specify the first browser version that fully supports the attribute.
| Attribute | |||||
|---|---|---|---|---|---|
| form | Yes | Not supported | Yes | 6.0 | Yes |
Differences Between HTML 4.01 and HTML5
The <keygen> tag is new in HTML5.
Syntax
<keygen form="form_id">
Attribute Values
| Value | Description |
|---|---|
| form_id | Specifies the form element the <keygen> element belongs to. The value of this attribute must be the id attribute of a <form> element in the same document. |