Web Platform Baseline Status Breakdown
Total Features: 1219
Categories:
All
CSS (9)
Media queries (5)
Canvas (4)
Selectors (4)
Color types (3)
Font synthesis (3)
Units (3)
Clipping, shapes, and masking (2)
Counters (2)
Performance (2)
Storage (2)
Workers (2)
Animation (1)
Arrays (1)
Container queries (1)
Containment (1)
Custom elements (1)
File system access (1)
Fonts (1)
Forms (1)
Grid (1)
HTML (1)
HTML elements (1)
JavaScript modules (1)
MathML (1)
Media elements (1)
Messaging (1)
Print media (1)
Security (1)
Sensors (1)
Strings (1)
Text wrap (1)
Typed arrays (1)
Web components (1)
WebAssembly (1)
WebAuthn (1)
WebRTC (1)
2023
2 features
• June 2023
Widely Available
The Worker() constructor accepts { type: "module" } to load scripts that use import and export. Also known as ECMAScript modules or ESM in workers.
Chrome
80
Firefox
114
Safari
15
Edge
80
Baseline Date: Jun 6, 2023
• March 2023
Widely Available
The requestAnimationFrame() method in workers schedules a function that runs before the next repaint. Together with offscreen canvas, you can animate content from a worker.
Chrome
69
Firefox
99
Safari
16.4
Edge
79
Baseline Date: Mar 27, 2023