How can I use instanceof to check types in JavaScript?

How can I use instanceof to check types in JavaScript?

You can use the instanceof operator to check if an object is an instance of a specific class or constructor function.

Can you give me an example of how to use it?

Sure! For example, if you have a class called Dog, you can check if an object is an instance of Dog like this: if (myDog instanceof Dog) { ... }.

What happens if I check against a different type?

If you check against a different type, instanceof will return false. For example, myDog instanceof Cat would return false.

Are there any limitations to using instanceof?

Yes, instanceof only works with objects and won't work with primitive types like strings or numbers.