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README.md

Kotlin/Wasm Browser Example

A simple app showing "Hello World" in the browser using DOM API.

Build and run

Check out the repo, navigate to the project folder, and use the following command:

./gradlew wasmBrowserRun -t

Setup Environment

Note Using experimental Kotlin/Wasm may require enabling experimental features in the target environment.

  • Chrome 110 or newer: enable WebAssembly Garbage Collection at chrome://flags/#enable-webassembly-garbage-collection or with Chrome 109 or newer, run the program with the --js-flags=--experimental-wasm-gc command line argument.
  • Firefox Nightly 112 or newer: enable javascript.options.wasm_function_references and javascript.options.wasm_gc at about:config.
  • Edge 109 or newer: run the program with the --js-flags=--experimental-wasm-gc command line argument.

For more information see https://kotl.in/wasm_help/.

IDE

We recommend using IntelliJ IDEA 2023.1 or newer to work with the project.

Feedback & Questions

Give it a try, and share your feedback and ask questions in the Kotlin Slack #webassembly channel (if you’re not a member, apply here) or on Twitter to @bashorov.

Learn more