Question 283769 in Javascript Question posted in
A very good W3school tutorial can be found here.

Javascript – why num1+num2 is not calculate

var read = require("readline-sync")

var a = read.question("Enter Two Numbers")
var b = read.question("")

function hello(num1,num2){
  var sum = num1 + num2
  return(sum)
}

var val = hello(a,b)

console.log(val)

terminal

node ‘.all functions.js’
Enter Two Numbers34
34
3434

Expected answer

node ‘.all functions.js’
Enter Two Numbers34
34
68

Tags:

2

Answers


  1. 0 
    var read=require("readline-sync")

var a = read.question("Enter Two Numbers");
var b = read.question("")

function hello (num1,num2) {
  var sum = Number(num1) + Number(num2); // convert string to number
  return sum;
}

var val = hello(a,b);

console.log(val);
    Login or Signup to reply.
  2. 0 
    var read = require("readline-sync")

var a = read.questionFloat("Enter Two Numbers");
var b = read.questionFloat("")

function hello(num1, num2) {
  var sum = num1 + num2;
  return sum
}

var val = hello(a, b)
console.log(val)
    Login or Signup to reply.
Please signup or login to give your own answer.

Back To Top
Search