ArrowFunctio.js

person = {
  firstName: 'Moshe',
  lastName: 'Cohen',
  moods: ['happy', 'angry', 'sad'],
  giveMeName: function () {
    this.moods.forEach((mood) => {
      console.log(this.firstName + " " + this.lastName + ' Can be ' + mood); 
    });
  }
}

ThisForEachArgument.js

person = {
  firstName: 'Moshe',
  lastName: 'Cohen',
  moods: ['happy', 'angry', 'sad'],
  giveMeName: function () {
    this.moods.forEach(
      function(mood) {
        console.log(this.firstName + " " + this.lastName + ' Can be ' + mood); 
      },
      this
    );
  }
}