Learn KOTLIN-JS-WASM with Real Code Examples

Build a browser dashboard with Kotlin/Wasm

Kotlin Wasm math engine for web

Node.js scripts written in Kotlin

Kotlin React (KVision) apps

Full-stack Kotlin web app with shared code

Check Gradle Kotlin plugin version

Verify Wasm target enabled in build file

Check JS interop syntax for external types

Use browser devtools to inspect Wasm

Ensure correct experimental flags for Wasm-GC

Use Kotlin test framework

Run JS/Wasm tests via Gradle

Headless browser tests

Snapshot testing for Compose for Web

Benchmarking Wasm functions

Static web hosting (Wasm + JS bundle)

Node.js CLI tools

Serverless Wasm runtimes

Full-stack Kotlin servers

Electron + Kotlin frontend

Compose for Web

KVision/Kotlin React wrappers

Kotlinx libraries (coroutines, serialization)

Gradle Kotlin frontend plugins

Wasm-GC browsers (Chrome/Firefox)

React (via wrappers)

Node.js, Deno runtimes

WASI runtimes (limited)

Ktor full-stack web apps

npm ecosystem via interop

Use IntelliJ IDEA for Kotlin/JS/Wasm

Leverage Compose for Web previews

Use external declarations wisely

Split code into multiplatform modules

Enable incremental builds

Interop complexity with dynamic JS libraries

Experimental Wasm features

Tooling changes across Kotlin versions

Debugging Wasm stack traces

Large JS/Wasm bundles without optimization