Custom Sorts - Arrays

    // Array custom sort( ) function 
    let log = console.log;
    let movies = ['Star Wars', 'Star Trek', 'Jaws', 'Jurassic Park', 'Gross Pointe Blank', 'Eternal Sunshine of the Spotless Mind', 'Memento', 'Dog Soldiers', 'The Host', 'Gran Torino', 'Close Encounters of the Third Kind', 'Good Will Hunting', 'Layer Cake', 'Casino Royale', 'Almost Famous'];
    let numbers = [40, 16, 67, 345, 22, 23, 142, 63, 59, 283];
    let people = [
        {"id":123, "name":"Rick Deckard", "email": "rick@bladerunner.org"},
        {"id":456, "name":"Roy Batty", "email": "roy@replicant.io"},
        {"id":789, "name":"J.F. Sebastian", "email": "j.f@tyler.com"},
        {"id":258, "name":"Pris", "email": "pris@replicant.io"}
    ];

    // the problem with numbers 
    log(movies.sort( ));	// ok 
    log(numbers.sort( ));	// NOT ok
    
    // the solution for numbers – using custom sort 
    let sortedNum = numbers.sort( (a, b) ->{
        log('sorting', a, b);
        if (a > b) return 1; 
        elseif (b > a) return -1; 
        else return 0;
    } );
    log(sortedNum);
    
    // sorting of array objects – using a custom sort
    // sort by person name
    let sortedPeople = people.sort( a, b => { 
        if (a.name > b.name) return 1;
        elseif (b.name > a.name) return -1; 
        else return 0; 
    });
    log(sortedPeople);