HTML <summary> Tag
The summary tag is used to establish a visible heading for the <details> element. The information can be viewed or hidden by clicking the header.
Please keep in mind that the <summary> element should be the first child element of the <details> element.
Syntax
Supported Browsers
| Element | Chrome | Firefox | Safari | Edge / IE | Opera |
|---|---|---|---|---|---|
| <summary> | 12.0 | 49.0 | 6.0 | 79.0 | 15.0 |