this keyword in JavaScript

In JavaScript, the "this" keyword refers to the current execution context. Its value depends on how and where it is used within a function or method. The specific binding of "this" is determined by the invocation pattern or the way in which a function is called.

The behavior of "this" can vary depending on the context in which it is used. Here are some common scenarios:

In the global scope (outside of any function), "this" refers to the global object. In a browser environment, the global object is usually the "window" object.