React - Binary Calculator

This demo contains shows the use of nested React components to make a binary calculator.

The 3 components below are the increment button (used multiple times), the reset button and the total value.

Demo

The component should appear below, and does in development mode on the localhost but doesn't yet on the site - the next piece of the puzzle to figure out.

The code can be viewed in Plunker.

This was a first attempt at using React and contains a lot of repetition in the way that the button clicks are handled.