Here is my journey in learning React.Js. I am currently following the Web Development Bootcamp by Dr. Angela Yu. The coding challenges of the course are solved in codesandbox and pushed in this repository in branches.
https://codesandbox.io/s/react-props-practice-forked-v67rrr
https://codesandbox.io/s/usestate-hook-practice-forked-qitg74
https://codesandbox.io/s/es6-destructuring-forked-rm65bb
https://codesandbox.io/s/event-handling-in-react-forked-03onx0
https://codesandbox.io/s/introduction-to-jsx-forked-vb5ys4
https://codesandbox.io/s/changing-complex-state-practice-forked-ubt7yo
https://codesandbox.io/s/managing-a-component-tree-forked-er3u1f