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Introduction
Adding two numbers is one of the most basic operations in programming. This task is often used as a simple demonstration of how functions work. This program will demonstrate how to create a JavaScript function that accepts two numbers, calculates their sum, and returns the result.
Problem Statement
Create a JavaScript function that:
- Accepts two numbers as arguments.
- Calculates the sum of the two numbers.
- Returns and displays the result.
Example:
Input:
5,7Output:
12Input:
10,20Output:
30
Solution Steps
- Create a Function: Define a function that accepts two parameters.
- Calculate the Sum: Add the two parameters inside the function.
- Return the Result: Return the calculated sum.
- Display the Result: Print the sum of the two numbers.
JavaScript Program
// JavaScript Function to Calculate the Sum of Two Numbers
// Author: https://www.javaguides.net/
function sumTwoNumbers(num1, num2) {
// Step 1: Calculate the sum of the two numbers
let sum = num1 + num2;
// Step 2: Return the result
return sum;
}
// Example input
let number1 = 5;
let number2 = 7;
let result = sumTwoNumbers(number1, number2);
console.log(`The sum of ${number1} and ${number2} is: ${result}`);
Output
The sum of 5 and 7 is: 12
Example with Different Input
let number1 = 10;
let number2 = 20;
let result = sumTwoNumbers(number1, number2);
console.log(`The sum of ${number1} and ${number2} is: ${result}`);
Output:
The sum of 10 and 20 is: 30
Explanation
Step 1: Create a Function
- The function
sumTwoNumbers()is defined with two parameters,num1andnum2, which represent the two numbers to be summed.
Step 2: Calculate the Sum
- Inside the function, the sum of
num1andnum2is calculated using the+operator.
Step 3: Return and Display the Result
- The result of the addition is returned by the function and printed using
console.log().
Conclusion
This JavaScript function demonstrates how to calculate the sum of two numbers by defining a simple function with parameters. This solution is basic yet fundamental and can be extended to more complex mathematical operations or integrated into larger applications.
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