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HTML button autofocus attribute

HTML button labels Reference Manual HTML <button> tag

Examples

Use autofocus button properties:

<button type="button" autofocus>点我！</button>

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Browser Support

Internet ExplorerFirefoxOperaGoogle ChromeSafari

Internet Explorer 10, Firefox, Chrome, and Safari support autofocus attribute.

Note: Internet Explorer 9 and earlier versions of IE do not support autofocus attribute.

Definition and Usage

autofocus attribute is a boolean (Boolean) property.

Autofocus attribute specifies when the page is loaded buttons should automatically get focus.

Differences between HTML 4.01 and HTML5

autofocus property is a new property HTML5 <button> tag.

Differences between HTML and XHTML

In XHTML, allowed attribute shorthand, autofocus attribute must be defined as <button autofocus = "autofocus">.

grammar

<button type="button" autofocus>

HTML button labels Reference Manual HTML <button> tag