JS3

hw.js

let rectangle = {
  topLeft: {x:0, y:0},
  bottomRight: {x:0, y:0}
}

function width(rect){
  return rect.bottomRight.x - rect.topLeft.x;
}
function height(rect){
  return rect.topLeft.y - rect.bottom.y;
}
function square(rect){
  return width(rect)*height(rect);
}
function perimeter(rect){
  return (2*width(rect)) + (2*height(rect));
}
function changeWidth(rect, value){
  rect.bottomRight.x -= value;
  return rect;
}
function changeHeight(rect, value){
  rect.topLeft.x += value;
  return rect;
}
function moveXAxis(rect, value){
  rect.topLeft.x += value;
  rect.bottomRight.x += value;
  return rect;
}
function moveYAxis(rect, value){
  rect.topLeft.y += value;
  rect.bottomRight.y += value;
  return rect;
}
function isPointInside(rect, x, y){
  return rect.topLeft.x >= x &&
    rect.topLeft.y <= y &&
    rect.bottomRight.x <= x &&
    rect.bottomRight.y >= y;
}

function Fraction(numerator, denominator) {
  this.numerator = numerator;
  this.denominator = denominator;
}

function add(fraction1, fraction2){
  let fraction = new Fraction();
  if (fraction1.denominator !== fraction2.denominator) {
    fraction.numerator = fraction1.numerator*fraction2.denominator +  fraction1.denominator*fraction2.numerator;
    fraction.denominator =  fraction1.denominator*fraction2.denominator;
  }
  else{
    fraction.numerator = fraction1.numerator*fraction2.numerator;
  }
  return fraction;
}

function deduct(fraction1, fraction2){
  let fraction = new Fraction();

  if (fraction1.denominator !== fraction2.denominator) {
    fraction.numerator = fraction1.numerator*fraction2.denominator -  fraction1.denominator*fraction2.numerator;
    fraction.denominator =  fraction1.denominator*fraction2.denominator;
  }
  else{
    fraction.numerator = fraction1.numerator*fraction2.numerator;
  }
  return fraction;
}
function multiply(fraction1, fraction2){
  let fraction = new Fraction();
  fraction.numerator = fraction1.numerator * fraction2.numerator;
  fraction.denominator = fraction1.denominator * fraction2.denominator;
  return fraction
}
function devide(fraction1, fraction2){
  let fraction = new Fraction();
  fraction.numerator = fraction1.numerator * fraction2.denominator;
  fraction.denominator = fraction1.denominator * fraction2.numerator;
  return fraction
}

function ClassRoom(name, seatsNumber, departmentName){
  this.name = name;
  this.seatsNumber = seatsNumber;
  this.departmentName = departmentName;
}

let classRooms = [
  new ClassRoom("b", 11, "JS"),
  new ClassRoom("a", 10, "C#"),
  new ClassRoom("d", 15, "Python"),
];


function showClassRoomByDepartment(classRooms,departmentName){
  for (const classRoom in classRooms) {
    if(classRoom.departmentName === departmentName) return classRoom.name;
  }
  return null;
}
function showAllClassRooms(classRooms){
  for (const classRoom in classRooms) {
    console.log(classRoom);
  }
}

function sortBySeatsNumber(classRooms){
  return classRooms.sort((a,b) => a.seatsNumber - b.seatsNumber);
}
console.log(sortBySeatsNumber(classRooms));
function sortByName(classRooms){
  return classRooms.sort((a,b) => a.name - b.name);
}