Objective || JS Hackerrank Solution

 Objective

In this challenge, we practice creating objects. Check out the attached tutorial for more details.

Task

Complete the function in the editor. It has two parameters: and . It must return an object modeling a

rectangle.

Note: The names of the object's properties must be spelled correctly to pass this challenge.

Input Format

The first line contains an integer denoting .

The second line contains an integer denoting .

Constraints

Output Format

Return a object that has the properties specified above. Locked code in the editor prints the returned

object's , , , and to STDOUT.

Sample Input 0

4

5

Sample Output 0

4

5

18

20

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();       });    function readLine() {     return inputString[currentLine++];   }   /*  * Complete the Rectangle function  */   function Rectangle(a, b) {     this.length=a;     this.width=b;     this.area=a*b;     var sum=a+b;     this.perimeter=2*sum;                         }    function main() {     const a = +(readLine());     const b = +(readLine());          const rec = new Rectangle(a, b);          console.log(rec.length);     console.log(rec.width);     console.log(rec.perimeter);     console.log(rec.area);   }