HTML <details> openAttribute

HTML details 标签参考手册HTML <details> tag

Examples

An open/visible <details> element:

<details open> <summary>Copyright 1999-2011.</summary> <p> - by Refsnes Data. All Rights Reserved.</p> <p>All content and graphics on this web site are the property of the company Refsnes Data.</p> </details>

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Browser Support

Internet ExplorerFirefoxOperaGoogle ChromeSafari

Currently only Chrome and Safari 6 support the open attribute.

Definition and Usage

The open attribute is a boolean attribute.

The open attribute specifies that the details should be visible on the HTML page.

Differences between HTML 4.01 and HTML5

The <details> tag is new in HTML5.

Differences between HTML and XHTML

In XHTML, attribute minimization is forbidden, and the open attribute must be defined as: <details open="open">.

Syntax

<details open>

HTML details 标签参考手册HTML <details> tag Other Extensions