# JavaScript: Check from two given integers whether one of them is 8 or their sum or difference is 8

## JavaScript Basic: Exercise-40 with Solution

Write a JavaScript program to check from two given integers whether one of them is 8 or their sum or difference is 8.

**Pictorial Presentation:**

**Sample Solution: **

**HTML Code:**

```
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width">
<title>Write a JavaScript program to check from two given integers whether one of them is 8 or their sum or difference is 8.</title>
</head>
<body>
</body>
</html>
```

**JavaScript Code:**

```
function check8(x, y) {
if (x == 8 || y == 8) {
return true;
}
if (x + y == 8 || Math.abs(x - y) == 8)
{
return true;
}
return false;
}
console.log(check8(7, 8));
console.log(check8(16, 8));
console.log(check8(24, 32));
console.log(check8(17, 18));
```

Sample Output:

true true true false

**Flowchart: **

**ES6 Version:**

```
function check8(x, y) {
if (x == 8 || y == 8) {
return true;
}
if (x + y == 8 || Math.abs(x - y) == 8)
{
return true;
}
return false;
}
console.log(check8(7, 8));
console.log(check8(16, 8));
console.log(check8(24, 32));
console.log(check8(17, 18));
```

**Live Demo: **

See the Pen JavaScript: Check from two given integers - basic-ex-40 by w3resource (@w3resource) on CodePen.

**Improve this sample solution and post your code through Disqus**

**Previous:** Write a JavaScript program to compute the sum of the two given integers, If the sum is in the range 50..80 return 65 other wise return 80.

**Next:** Write a JavaScript program to check three given numbers, if the three numbers are same return 30 otherwise return 20 and if two numbers are same return 40.

**What is the difficulty level of this exercise?**

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## JavaScript: Tips of the Day

**Calculates the greatest common divisor between two or more numbers/arrays**

Example:

const tips_gcd = (...arr) => { const gcd = (x, y) => (!y ? x : tips_gcd(y, x % y)); return [...arr].reduce((p, q) => gcd(p, q)); }; console.log(tips_gcd(5, 25)); console.log(tips_gcd(...[8, 16, 32]));

Output:

5 8

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