HTML Referenzhandbuch

Vollständiges Verzeichnis der HTML-Tags

HTML keygen autofocus Attribut

Die Eigenschaft "keygen autofocus" ist ein boolesches Attribut. Das Attribut "autofocus" legt fest, dass das <keygen>-Element beim Laden der Seite automatisch in den Fokus gelangt.

　HTML <keygen> Tag

Online-Beispiel

Lassen Sie das Feld "Verschlüsselung" beim Laden der Seite automatisch in den Fokus gelangen:

Beispiel

<!DOCTYPE html>
<html>
<head>　
<meta charset="utf-8">　
<title>Grundlagen-Tutorial-Website(oldtoolbag.com)</title>　
</head>
<body>
<form action="demo-frame.php" method="get">
　　Benutzername: <input type="text" name="usr_name">
　　Verschlüsselung: <keygen name="security" autofocus>
　　<input type="submit">
</form>
</body>
</html>

Test see ‹/›

Browser Compatibility

IEFirefoxOperaChromeSafari

Opera, Chrome and Safari 6 Supports the autofocus attribute of the <keygen> tag.

Definition and Usage

The autofocus attribute is a boolean attribute.

The autofocus attribute specifies that the <keygen> element will automatically receive focus when the page is loaded.

HTML 4.01 with HTML5differences

<keygen> Tag is HTML5 with new tags.

Differences between HTML and XHTML

In XHTML, attribute shorthand is prohibited, the autofocus attribute must be defined as <keygen autofocus="autofocus" />。

Syntax

<keygen autofocus>

　HTML <keygen> Tag

HTML: <template> Tag