# Day 1: Arithmetic Operators | 10 Days of JavaScript – Hacker Rank Solution

Day 1: Arithmetic Operators | 10 Days of JavaScript – Hacker Rank Solution: Hey Guy’s In this post we are solving Day 1: Arithmetic Operators – HackerRank Solution which is a part of 10 Days of JavaScript Series.

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## Day 1: Arithmetic Operators JavaScript – Hacker Rank Solution

### Objective

In this challenge, we practice using arithmetic operators. Check out the attached tutorial for resources.

Complete the following functions in the editor below:

1. 1. `getArea(length, width)`: Calculate and return the area of a rectangle having sides length and width.
2. 2. `getPerimeter(length, width)`: Calculate and return the perimeter of a rectangle having sides length and width.

The values returned by these functions are printed to stdout by locked stub code in the editor.

## Input Format

getArea

getPerimeter(length, height)

## Constraints

• 1 <= lengthwidth <= 1000
• length and width are scaled to at most three decimal places.

## Output Format

Sample input 0

3

4.5

Sample Output 0

13.5

15

Explanation

The area of the rectangle is length x width = 3 x 4.5 = 13.5.
The perimeter of the rectangle is 2 x (length + width) = 2 x (3 + 4.5) = 15.

## Day 1: Arithmetic Operators | 10 Days of JavaScript – Hacker Rank Solution

```'use strict';
process.stdin.resume();
process.stdin.setEncoding('utf-8');
let inputString = '';
let currentLine = 0;
process.stdin.on('data', inputStdin => {
inputString += inputStdin;
});
process.stdin.on('end', _ => {
inputString = inputString.trim().split('\n').map(string => {
return string.trim();
});
main();
});
return inputString[currentLine++];
}
/**
*   Calculate the area of a rectangle.
*
*   length: The length of the rectangle.
*   width: The width of the rectangle.
*
*    Return a number denoting the rectangle's area.
**/
function getArea(length, width) {
let area;
area = length * width;
return area;
}
/**
*   Calculate the perimeter of a rectangle.
*
*    length: The length of the rectangle.
*   width: The width of the rectangle.
*
*    Return a number denoting the perimeter of a rectangle.
**/
function getPerimeter(length, width) {
let perimeter;
perimeter = 2 *(length + width);
return perimeter;
}```

Disclaimer: The above Problem (Day 1: Arithmetic Operators) is generated by Hackerrank but the Solution is Provided by Chase2Learn. This tutorial is only for Educational and Learning purposes. Authority if any of the queries regarding this post or website fill the following contact form thank you.

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10 days of javascript hackerrank
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Answer: Many free and paid courses and tutorials are available to learn JavaScript. For in-depth knowledge, you can also purchase a few good books like A Smarter Way to Learn JavaScript and Effective JavaScript: 68 Specific Ways to Harness the Power of JavaScript. However, to start working on projects, you need only a little theory and more hands-on, so we recommend you to take up tutorials and short courses that will get you onboard quickly.

Does hacker rank have JavaScript?
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What is HackerRank JS?
Answer: The HackerRank Skills Certification Test is a standardized assessment to help developers prove their coding skills.

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