HTML | open Attribute
The open attribute in HTML is used to indicate whether the details will be shown on page load. This is a boolean attribute. If it is not present by default then details are not shown.
Note: This attribute is used by <details> element only. This attribute has been DEPRECATED and is no longer recommended.
Applicable:
Syntax:
<details open> content... </details>
Example:
html
<!-- HTML program to illustrate open Attribute --><!DOCTYPE html><html> <head> <title>HTML open Attribute</title> </head> <body> <h2 style = "color: green; text-align: center;"> HTML open Attribute </h2> <!-- Below details tag has "open" attribute --> <details open> <summary>Geeks classes</summary> <p> An extensive classroom programme to build and enhance Data Structures and Algorithm concepts. </p> </details> </body></html> |
Output:
Supported Browsers: The browser supported by open attribute are listed below:
- Apple Safari 6.0
- Google Chrome 12.0
- Firefox Not supported
- Opera 15.0
- Internet Explorer Not supported
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