cp -a target/wasm32-unknown-emscripten/debug/mandelwow.{js,wasm} .
cp -a target/wasm32-unknown-emscripten/debug/deps/mandelwow.data .
emrun .
cp -a target/wasm32-unknown-emscripten/debug/mandelwow.{js,wasm} .
cp -a target/wasm32-unknown-emscripten/debug/deps/mandelwow.data .
emrun .