simple demo shows usage of array function

arrayfunc.js

let numbers = [2, 3, 4, 5, 6, 7]

let doubled = numbers.map((n) => n * 2);

console.log(doubled);


let person = {
  name: 'Ryan',
  hobbies: ['Robots', 'Computers', 'Internet'],
  showHobbies: function() {
//     this.name undefined
//     this.hobbies.forEach(function(hobby){
//       console.log(`${this.name} likes  ${hobby}`
//     })
    this.hobbies.forEach(hobby => {
      console.log(`${this.name} likes  ${hobby}`
    })
  },
  sayName() {
    console.log(`Hi I am ${this.name}`);
  }
}

person.sayName();