Bootstrap is an amazing library and works wonders with ReactJS. Unfortunately, you can’t (or really shouldn’t) use Bootstrap.js with React because bootstrap directly manipulates the DOM; which could break React’s nice rendering flow. This becomes a big problem if you wanted to implement a Navbar using plain bootstrap. Take the following for example from Bootstrap’s documentation: You could directly take this code and put it in ReactJS (but change class _to _className) and you will...