Web Platform Baseline Status Breakdown
Total Features: 1219
Categories:
All
CSS (6)
Text (4)
Units (4)
Workers (3)
Color types (2)
Container queries (2)
JavaScript (2)
JavaScript modules (2)
Reporting (2)
Selectors (2)
Streams (2)
WebAssembly (2)
Animation (1)
Clipping, shapes, and masking (1)
Explicit defaults (1)
HTML (1)
Image scaling (1)
Internationalization (1)
Iterators (1)
Maps (1)
MathML (1)
Scrolling (1)
Security (1)
View transitions (1)
2026
1 features
• February 2026
Newly Available
The getOrInsert() and getOrInsertComputed() methods of Map objects get a value, setting and getting a default value if needed.
Chrome
145
Firefox
144
Safari
26.2
Edge
145
Baseline Date: Feb 14, 2026