arrow binding.js

arrow binding.js

class A {
  __identify() {
    return "Class A"
  }
  
  idNotBound() {
    return this.__identify()
  }
  
  idBound = () => {
    return this.__identify()
  }
}

class B extends A {
  __identify() {
    return "Class B"
  }
}

console.log("A bound ==", new A().idBound());
	// => A bound == Class A
console.log("A not bound ==", new A().idNotBound());
	// => A not bound == Class A
console.log("B bound ==", new B().idBound());
	// => B bound == Class B
console.log("B not bound ==", new B().idNotBound());
	// => B not bound == Class B