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id, title
| id | title |
|---|---|
| supported-language-features | Supported Language Features |
This project supports a superset of the latest JavaScript standard.
In addition to ES6 syntax features, it also supports:
- Exponentiation Operator (ES2016).
- Async/await (ES2017).
- Object Rest/Spread Properties (ES2018).
- Dynamic import() (stage 3 proposal)
- Class Fields and Static Properties (part of stage 3 proposal).
- JSX and Flow syntax.
Learn more about different proposal stages.
While we recommend using experimental proposals with some caution, Facebook heavily uses these features in the product code, so we intend to provide codemods if any of these proposals change in the future.
Note that this project includes no polyfills by default.
If you use any other ES6+ features that need runtime support (such as Array.from() or Symbol), make sure you are including the appropriate polyfills manually, or that the browsers you are targeting already support them.