Learn KOTLIN-JS-WASM with Real Code Examples
Updated Nov 25, 2025
Performance Notes
Wasm-GC significantly improves performance
Kotlin IR produces optimized JS and Wasm
Inline functions reduce code size
Use Compose for Web efficiently
Parallel compilation speeds builds
Security Notes
Wasm sandbox ensures safe execution
Kotlin type safety reduces runtime bugs
No direct OS access without WASI
Interop requires careful validation of JS inputs
DOM interactions respect browser security layers
Monitoring Analytics
Browser devtools for Wasm performance
JS/Wasm profiling
Application logs via console wrappers
Custom event tracing
Bundle analysis tools
Code Quality
Use idiomatic Kotlin
Prefer immutable data
Keep interop wrappers isolated
Use type-safe React/Compose DSLs
Enable compiler warnings