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@Amitesh
Created April 8, 2023 08:27
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Decorator in JavaScript and Typescript

  • In JavaScript, we can apply decorators to class fields, methods, and the entire class. Therefore, we can’t use decorators on plain objects. They only work with classes.
  • Decorators are not a standard JavaScript feature. They are in stage 3 of the ECMA TC39 specification phase. To use JavaScript Decorators we need to set up a transpiler tool in our development environment, like Babel.
  • Decorator is concept and can be in form of function or start with @.

There are function decorator and class and it's member decorator. Fot indepenedent/global function we can decorate it by wrapping it inside another function but for class decorator we can use the @ symbol and typescript or bable library.

References

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