create an empty object Document ____________________________________________________________________________ example of adding a key and value to an object Document ____________________________________________________________________________ create an object Document ____________________________________________________________________________ example of assign function of object Document ____________________________________________________________________________ example of object cloning Document ____________________________________________________________________________ example of object reference Document ____________________________________________________________________________ example of iterating values in object Document ____________________________________________________________________________ example of multiword keys in object Document __________________________________________________________________________________________ example of printing object parameters Document ____________________________________________________________________________ example of getting value from object using square brackets on key Document __________________________________________________________________________________________