Calculator Program In JS

Using Constructor

by SriSri M

JavaScript

function Calc() {
	this.read = function() {
  	this.a = +prompt("a is:",0);
    this.b = +prompt("b is:",0);
  }
  this.sum = function() {
  	return this.a + this.b;
  }
  this.minus = function() {
  	return this.a - this.b;
  }
}

let cal = new Calc();
cal.read();

console.log(cal.sum());
console.log(cal.minus());