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
• December 2025
Newly Available
The text-decoration-line: spelling-error and text-decoration-line: grammar-error CSS declarations apply the browser's marking for spelling and grammatical mistakes. This is typically a wavy underline in red or green.
Chrome
121
Firefox
137
Safari
26.2
Edge
121
Baseline Date: Dec 12, 2025