In arrow functions, the this keyword behaves differently compared to regular functions. Arrow functions do not have their own this context; instead, they inherit the this value from the enclosing lexical scope. This behavior is often referred to as "lexical scoping" or "lexical this."

Here's an example to illustrate how this works with arrow functions:

// Global context console.log(this); // In a browser, refers to the global object (e.g., window)

const regularFunction = function() { console.log(this); };

const arrowFunction = () => { console.log(this); };

// Object with regular function const obj = { regularMethod: regularFunction, arrowMethod: arrowFunction };

obj.regularMethod(); // 'this' refers to the 'obj' object obj.arrowMethod(); // 'this' still refers to the global object (lexical scoping)

In the example above, regularFunction has its own this context, and when it is called as a method of obj, this refers to obj. On the other hand, the arrow function arrowFunction inherits the this value from the surrounding lexical scope, which in this case is the global context.

It's important to note that arrow functions are not suitable for all use cases, especially when dealing with object methods that rely on dynamic binding of this. In such cases, regular functions or other mechanisms like the bind method should be used. Arrow functions are particularly useful in situations where you want to preserve the lexical scope of this from the surrounding context.