10 Days of JavaScript (Day 4) HackerRank Solutions #10daysofjavascript

 DAY 4: Create a Rectangle Object

Solution >>>

function Rectangle(a, b) {

  this.length = a;

  this.width = b;

  this.perimeter = 2 * (a + b);

  this.area = a * b;

}

DAY 4: Count Objects

Solution >>>

function getCount(objects) {

  let pairCount = 0;

  for (let i = 0; i < objects.length; i++) {

    if (objects[i].x === objects[i].y) {

      pairCount++;

    }

  }

  return pairCount;

}

DAY 4: Classes

Solution >>>

function Polygon(shape) {

  this.type = shape;

  this.perimeter = getPerimeter;

}

function getPerimeter() {

  return this.type.reduce((a, b) => a + b);

}