Keys, Values, Entries ( ) Methods

    /**************************************************** 
    Object.keys(obj)
    Object.values(obj) Object.entries(obj)
    Create an iterable object from the Object
    *****************************************************/ 
    let westeros = {
        cersei: 'Lannister', 
        arya: 'Stark',
        jon: 'Snow',
        brienne: 'Tarth',
        daenerys: 'Targaryen', 
        theon: 'Greyjoy', 
        jorah: 'Mormont', 
        margaery: 'Tyrell', 
        sandor: 'Clegane', 
        samwell: 'Tarly', 
        ramsay: 'Bolton'
    }
    
    let keys = Object.keys(westeros);	    // returns an array of the keys in the object 
    let vals = Object.values(westeros);	    // returns an array of the values in the object
    let entries = Object.entries(westeros);	// returns an array of both the keys and values in the object