# Jest
🃏 Delightful JavaScript Testing
- **👩🏻💻 Developer Ready**: Complete and ready to set-up JavaScript testing solution. Works out of the box for any React project.
- **🏃🏽 Instant Feedback**: Failed tests run first. Fast interactive mode can switch between running all tests or only test files related to changed files.
- **📸 Snapshot Testing**: Jest can [capture snapshots](https://jestjs.io/docs/snapshot-testing) of React trees or other serializable values to simplify UI testing.
Read More: https://jestjs.io/