In JavaScript, what does the keyword 'this' refer to when used inside a method?

In JavaScript, the keyword 'this' within a method refers to the object that invoked the method. This means that if a method is called on a specific object, 'this' will reference that object within the method's execution context. This behavior allows methods to operate on the properties and methods of the object that called them, making 'this' a powerful and versatile part of object-oriented programming in JavaScript.

For instance, if you have an object with a method and you call that method through the object instance, 'this' will specifically point to that instance. This dynamic binding of 'this' can lead to more flexible code because the same method can be reused across different objects, each time referring to the specific object that invoked it.

In other contexts of JavaScript, 'this' might point to different objects, but within the context of an object method, it consistently refers to the invoking object. Understanding this key concept is crucial for writing effective JavaScript methods and for managing object-oriented interactions.