Can I use private fields in JavaScript classes?

Can I use private fields in JavaScript classes?

Yes, you can use private fields in JavaScript classes using the # syntax. For example, #myField is a private field.

How do I define a private field in a class?

You define a private field by prefixing the field name with a #. Here's an example:

class MyClass {
  #privateField;
  constructor() {
    this.#privateField = 'I am private';
  }
}

Can I access private fields from outside the class?

No, private fields cannot be accessed from outside the class. They are only accessible within the class methods.

What happens if I try to access a private field directly?

If you try to access a private field directly from outside the class, you'll get a syntax error.