methods in JavaScript

1. Instance Methods: These are methods that are available on instances of objects created from a class or constructor function.

2. Static Methods: These are methods that are available on the class or constructor function itself, and not on instances created from it.

3. Prototype Methods: These are methods that are defined on the prototype of an object, and are available on all instances created from that object.

4. Arrow Functions: These are a concise syntax for writing functions in JavaScript, and can be used as both instance methods and static methods.

5. Callback Functions: These are functions that are passed as arguments to other functions, and are called by the receiving function at a later time.

6. Higher-Order Functions: These are functions that take other functions as arguments or return functions as values.

7. Async Functions: These are functions that are defined using the async keyword, and allow asynchronous operations to be performed in a synchronous-like manner.

8. Built-in Methods: These are methods that are built into JavaScript itself, and are available without the need for any additional code. Examples include methods for manipulating arrays and strings, as well as methods for working with the Document Object Model (DOM) in web browsers.