Example
Let the "Encryption" field automatically get focus when the page loads:
<form action="demo_keygen.asp" method="get">
Username: <input type="text" name="usr_name">
Encryption: <keygen name="security" autofocus>
<input type="submit">
</form>
Try it Yourself »
Definition and Usage
The autofocus attribute is a boolean attribute.
When present, it specifies that the <keygen> element should automatically get focus when the page loads.
Browser Support
The numbers in the table specify the first browser version that fully supports the attribute.
| Attribute | |||||
|---|---|---|---|---|---|
| autofocus | Yes | Not supported | Not supported | 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 autofocus attribute must be defined as <keygen autofocus="autofocus" />.
Syntax
<keygen autofocus>