Web Platform Baseline Status Breakdown
Total Features: 1219
Categories:
All
CSS (2)
JSON (2)
JavaScript (2)
Performance (2)
Scrolling (2)
Typed arrays (2)
View transitions (2)
Clipboard (1)
File system access (1)
Forms (1)
HTML (1)
HTML elements (1)
Internationalization (1)
Iterators (1)
Print media (1)
Promises (1)
Regular expressions (1)
Resource hints (1)
Selection (1)
Selectors (1)
Text (1)
Web components (1)
WebAssembly (1)
WebGL extensions (1)
WebRTC (1)
2025
1 features
• September 2025
Newly Available
The ::details-content pseudo-element selects the expandable content of a <details> element, excluding the <summary>.
Chrome
131
Firefox
143
Safari
18.4
Edge
131
Baseline Date: Sep 16, 2025