HTML <details> open Attribute
Example
An open/visible <details> element:
<details open>
<summary>Copyright 1999-2014.</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>
Try it Yourself »
Definition and Usage
The open attribute is a boolean attribute.
When present, it specifies that the details should be visible (open) to the user.
Browser Support
The numbers in the table specify the first browser version that fully supports the attribute.
| Attribute | |||||
|---|---|---|---|---|---|
| open | 12.0 | 79.0 | 49.0 | 6.0 | 15.0 |
Syntax
<details open>
❮ HTML <details> tag
