- This App is just for demo only (Examples are utilized for explanation purpose)
- If you have any questions, please contact me directly
npm i && npm run serve // run with static server
// or
npm i && npm start // run locally- It is a error handling concept for React component layer [Answer for
what] - For avoid getting page crash on UI, especially during the page rendering or when user interacts with our UI [Answer for
why] - Able to collect error information and display the fallback UI
componentDidCatchis a good life cycle method to log the error information or update error tracker state when error detected
- It is a software development technique, which allows to control feature availability [Answer for
what] - When we need to test some features in certain environment (eg:
dev environment) or for certain type of users (eg:admin) [Answer forwhy] - Good for release process, especially when feature is not confident to be released, we can hold the feature and before decision has been made (Simple explanation:
ship features safely) - Sometimes, we might consider feature flag as a service, for example, we might consider to use it for A/B testing?