Case in point: https://bjoernkw.github.io/hexrgb/ https://bjoernkw.github.io/hexrgb/ Zero JavaScript dependencies. The only dependency is Bootstrap and that's

Case in point: https://bjoernkw.github.io/hexrgb/ https://bjoernkw.github.io/hexrgb/ Zero JavaScript dependencies. The only dependency is Bootstrap and that's just used for hassle-free layout and styling. The application works just as well without it. Admittedly, it's not a huge application but there's nothing in principle that would preclude a more complex application. The use of const prevents Internet Explorer up to IE 10 to run the application but that's a small trade-off I was willing to make in favour of more robust code.