JavaScript: Compute the sum of the two given integers

Last update on May 30 2022 10:05:29 (UTC/GMT +8 hours)

JavaScript Basic: Exercise-16 with Solution

Write a JavaScript program to compute the sum of the two given integers. If the two values are same, then returns triple their sum.

Pictorial Presentation:

JavaScript: Compute the sum of the two given integers

Sample Solution:

HTML Code:

<!DOCTYPE html>
<html>
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width">
  <title>JavaScript program to compute the sum of the two given integers. If the two values are same, then return triple their sum</title>
</head>
<body>
</body>
</html>

JavaScript Code:

function sumTriple (x, y) {
  if (x == y) {
    return 3 * (x + y);
    } 
   else
   {
    return (x + y);
   }
 }
console.log(sumTriple(10, 20));
console.log(sumTriple(10, 10));

Sample Output:

30
60

Flowchart:

ES6 Version:

function sumTriple (x, y) {
  if (x == y) {
    return 3 * (x + y);
    } 
   else
   {
    return (x + y);
   }
 }
console.log(sumTriple(10, 20));
console.log(sumTriple(10, 10));

Live Demo:

See the Pen JavaScript: Sum of two integers- basic-ex-16 by w3resource (@w3resource) on CodePen.

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Next: Write a JavaScript program to compute the absolute difference between a specified number and 19.

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JavaScript: Tips of the Day

How to insert an item into an array at a specific index (JavaScript)?

What you want is the splice function on the native array object.

arr.splice(index, 0, item); will insert item into arr at the specified index (deleting 0 items first, that is, it's just an insert). In this example we will create an array and add an element to it into index 2:

var arr = [];
arr[0] = "Jani";
arr[1] = "Hege";
arr[2] = "Stale";
arr[3] = "Kai Jim";
arr[4] = "Borge";

console.log(arr.join());
arr.splice(2, 0, "Lene");
console.log(arr.join());

Ref: https://bit.ly/2BXbp04