segunolalive

class Arithmetic {
  // inititalize the private property
  #value;
  
  // add getter for value
  get val() {
    return this.#value; // <== access the private property
  }
  
  // rest of the code truncated for clarity

segunolalive

class Arithmetic {
  // add getter for value
  get val() {
    return this.value;
  }
  
  // rest of the code truncated for clarity
}

segunolalive

class Arithmetic {
  constructor() {
    this.value = 0;
  }
  sum(...args) {
    this.value = args.reduce((sum, current) => sum + current, 0);
    return this;
  }
  add(value) {
    this.value = this.value + value;

segunolalive

class Arithmetic {
  constructor() {
    this.value = 0;
  }
  get val() {
    return this.value;
  }
  sum(...args) {
    this.value = args.reduce((sum, current) => sum + current, 0);
    return this;

segunolalive

class ChainAble {
  firstMethod() {
    console.log('This is the First Method');
    return this;
  }
  
  secondMethod() {
    console.log('This is the Second Method');
    return this;
  }

segunolalive

{
  address: 'plot 1',
  owner: 'segun',
  type: 'duplex',
  color: 'green',
  rooms: '5',
  kitchens: '1',
  windows: 20
}

segunolalive

{
  address: 'plot 1',
  owner: 'segun',
  type: 'duplex',
  color: 'green',
  rooms: '5',
  kitchens: '1',
  windows: 21
}

segunolalive

{
  windows: 21
}

segunolalive

class ShapeShifter {
  constructor(arg) {
    this.message = '';
    const argType = typeof arg;
    const argTypeToTitleCase = `${argType[0].toUpperCase()}${argType.slice(1)}`;
    const methodName = `handle${argTypeToTitleCase}`;
    this[methodName]();
  }
  
  handleString() {