Types of Decorators

Learn about the different types of decorators in JavaScript and their use cases.

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Introduction to decorator types

Decorators are functions that are invoked by the JavaScript runtime when a class is defined. Depending on what type of decorator is used, these decorator functions will be invoked with different arguments.

Let’s take a quick look at the types of decorators, which are:

  • Class decorators: These are decorators that can be applied to a class definition.

  • Property decorators: These are decorators that can be applied to a property within a class.

  • Method decorators: These are decorators that can be applied to a method on a class.

  • Parameter decorators: These are decorators that can be applied to a parameter of a method within a class.

As an example of these types of decorators, consider the following code:

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