http://joannalawniczak.github.io/karak-studio/

• Chrome 51
• Firefox 47
• Opera 38
• Edge
• iPhone 5s (Safari, Chrome)
• iPad Air (Safari, Chrome)

• npm run build - production build
• npm run build --debug - development build
• npm run build --watch - watch files and rebuild on change
• npm run lint - run ESLint
• npm test - run JS unit tests
• npm test --watch
• npm test --coverage

The author of JavaScript code is Oskar Wróbel.