Object Drills 1

Object creator

function createMyObject(key1, key2, key3, key4) {
  obj = {
    foo: 'bar',
    answerToUniverse: 42,
    'olly olly': 'oxen free',
    sayHello: function sayHello() {
      return `hello`
    }
  }
  return obj
}

Object updater

function updateObject(obj) {
  obj.foo = 'foo';
  obj.bar = 'bar';
  obj.bizz = 'bizz';
  obj.bang = 'bang';
  return obj
}

Self-reference

function personMaker() {
  var person = {
    firstName: 'Paul',
    lastName: 'Jones',
    // replace `null` with a function that uses self reference to return
    // full name
    fullName: function() {
      return `${person.firstName} ${person.lastName}`
    },
  };
  return person;
}

Deleting keys

function keyDeleter(obj) {
  delete obj.foo;
  delete obj.bar;
  return obj
}