Worklet
E856198
Worklet is a lightweight, specialized JavaScript execution context in web browsers designed for running isolated, high-performance tasks such as audio processing, layout, or animation off the main thread.
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
JavaScript execution context
ⓘ
Off-main-thread execution environment ⓘ Web platform feature ⓘ |
| definedBy | W3C specifications ⓘ |
| definedIn |
CSS Painting API specification
NERFINISHED
ⓘ
Web Audio API specification (AudioWorklet section) NERFINISHED ⓘ |
| differentFrom |
Service Worker
NERFINISHED
ⓘ
Web Worker NERFINISHED ⓘ main thread JavaScript context ⓘ |
| executedIn | specialized global scope ⓘ |
| executionModel | short-lived, task-focused scripts ⓘ |
| exposedIn | JavaScript NERFINISHED ⓘ |
| goal |
allow custom rendering logic
ⓘ
enable fine-grained off-main-thread scripting ⓘ improve responsiveness of web applications ⓘ support glitch-free audio ⓘ support smooth animations ⓘ |
| hasProperty |
deterministic execution model
ⓘ
isolated from main JavaScript context ⓘ lightweight execution context ⓘ limited global scope ⓘ no direct DOM access ⓘ optimized for performance ⓘ runs off the main UI thread ⓘ script code is small and focused ⓘ specialized for specific tasks ⓘ |
| partOf |
Animation Worklet API
NERFINISHED
ⓘ
CSS Layout API NERFINISHED ⓘ CSS Painting API NERFINISHED ⓘ Web Audio API NERFINISHED ⓘ Web platform NERFINISHED ⓘ |
| relatedTo |
AnimationWorklet
NERFINISHED
ⓘ
AudioWorklet NERFINISHED ⓘ LayoutWorklet NERFINISHED ⓘ PaintWorklet NERFINISHED ⓘ Web Workers NERFINISHED ⓘ WorkletGlobalScope NERFINISHED ⓘ |
| securityProperty | runs in a restricted environment for safety ⓘ |
| supports |
loading JavaScript modules via addModule
ⓘ
registration of worklet modules ⓘ |
| usedFor |
animation logic off the main thread
ⓘ
custom layout calculations ⓘ custom painting and drawing ⓘ high-performance audio processing ⓘ improving rendering performance ⓘ low-latency processing ⓘ reducing main thread workload ⓘ running isolated JavaScript tasks ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.