- Dev build
- Local Server
- HMR = Hot Module replacement
- File watching Algorithm - written in C++
- Caching - Faster Builds (in parcel-cache)
- Image Optimization
- Bundling (Minification)
- Compress
- Consistent Hashing
- Code Splitting
- Differential Bundling
- Diagnostic
- Error Handling
- Https
- Tree Shaking - remove unused code
#React Hooks (Normal Js utility Functions) - it is wrote in react containing in nodemodules.
- useState() - superpowerful state variables in react
- useEffect()