JavaScript Program to Add Two Numbers

The blog provides the step by step solution to write the JavaScript program to add two numbers and display their sum.

To understand the below given program , user should have knowledge on below given topics

Steps for Adding two Numbers in JavaScript
  • Input user to enter the first number and store the value into variable
  • Input user to enter the second number and store the value into variable
  • Create another variable to store the sum of first number and second number
  • Use the Operator + to sum the values
  • Display the total sum
<html>  
<head>  
</head>  
<body>
 <script>
const firstNumber = parseInt(prompt('Input first number '));
const secondNumber = parseInt(prompt('Input second number '));
const sum = firstNumber + secondNumber;

document.writeln(`The sum of ${firstNumber} and ${secondNumber} is ${sum}`);
</script>
</body>  
</html>