JavaScript Examples

Modern, versatile, and powerful - the language that powers the web.

Example 1: Adding two Numbers

Code
// Taking input from user
let a = prompt("Enter first number:");
let b = prompt("Enter second number:");

// Calculating sum
let sum = Number(a) + Number(b);
       
// Displaying output
console.log("Sum is: " + sum);                          
                     
Input
Enter first number: 10  
Enter second number: 8
                                
Output
Sum is: 18

Code Explanation

  • input() reads input as a string, int() converts it to an integer.
  • a + b performs addition.
  • console.log() prints the result.