ReactJS began to standardize frontend web development around 2015. The core ideas around one-way data binding, JSX, and components caused many developers to embrace React with open arms. There has been a large number of educators that have emerged to help train developers wanting to learn React. A new developer learning React has numerous questions
https://softwareengineeringdaily.com/2020/03/03/react-fundamentals-with-ryan-florence/