1  # Jest
 2  
 3  🃏 Delightful JavaScript Testing
 4  
 5  - **👩🏻‍💻 Developer Ready**: Complete and ready to set-up JavaScript testing solution. Works out of the box for any React project.
 6  
 7  - **🏃🏽 Instant Feedback**: Failed tests run first. Fast interactive mode can switch between running all tests or only test files related to changed files.
 8  
 9  - **📸 Snapshot Testing**: Jest can [capture snapshots](https://jestjs.io/docs/snapshot-testing.html) of React trees or other serializable values to simplify UI testing.
10  
11  Read More: https://jestjs.io/