Object creator:

function createMyObject() {
  return myObject = {
    foo: "bar",
    answerToUniverse: 42,
    "olly olly": "oxen free",
    sayHello: function() {
      return "hello"
    }
  }};



  Update object:

  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',
    fullName: function() {
     return `${this.firstName} ${this.lastName}`
    },
  };
  return person;
}


Key Deleter:

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