uyu423 · April 24, 2017 06:44
diff --git a/class_question.js b/class_question.js
 class A {
  constructor(value) {
    this.value = value
  }
  adder() {
    this.value += 1;
  }
 }

 const v = new A(10);

 v.adder();
 console.log(v); // showing 11, not Object;
	class A {
	constructor(value) {
	this.value = value
	}
	adder() {
	this.value += 1;
	}
	}

	const v = new A(10);

	v.adder();
	console.log(v); // showing 11, not Object;