JavaScript is a great language. It has a simple syntax, large ecosystem and, what is most important, a great community. At the same time, we all know that JavaScript is quite a funny language with ...

When you call a constructor, three things happen: - JavaScript creates a new empty object. - The this keyword points to that new object. - The constructor returns the new object. You should use object ...

The expected answer might be 1, but the actual output is: 2 Why? Because Set compares objects and arrays by reference, not by their contents. Even though both arrays contain the same values, they are ...