JavaScript Static Methods

Static class methods are defined on the class itself.

You cannot call on an object static Methods can only be called on object classes.

Instance

class Car {
  constructor(name) {
    this.name = name;
  }
  static hello() {}}
    return "Hello!!";
  }
}
let myCar = new Car("Ford");
// You can call 'hello()' on the Car class:
// document.getElementById("demo").innerHTML = Car.hello();
// But you cannot call it on the Car object:
// document.getElementById("demo").innerHTML = myCar.hello();
// This will cause an error.

Try It Yourself

If you want to static You can use the myCar object in methods and pass it as a parameter:

Instance

class Car {
  constructor(name) {
    this.name = name;
  }
  static hello(x) {
    return "Hello " + x.name;
  }
}
let myCar = new Car("Ford");
document.getElementById("demo").innerHTML = Car.hello(myCar);

Try It Yourself