不能让 moment-timezone.js 工作

can't make moment-timezone.js work

我正在尝试使用 moment.js 和 moment-timezone.js 让用户能够更改到他们当地的时区。但是我在使用 moment-timezone.js 时遇到了一些困难。我按照他们的例子,但我 select 哪个时区并不重要,它总是给我当地时间。这是我的代码:

<html>
<head>
    <title>Test</title>

    <script src='scripts/jquery.min.js'></script>
    <script src="scripts/moment.js"></script>
    <script src="scripts/moment-timezone.js"></script>
    <script src="scripts/moment-timezone-with-data.js"></script>
</head>
<body>
    <span id="time">

    </span> 
    <script>
        $(document).ready(function(){

            var dhaka = moment.tz("2015-09-01 12:00", "Asia/Dhaka");

            var newYork = dhaka.clone().tz("America/New_York");
            var losAngeles = dhaka.clone().tz("America/Los_Angeles");
            var london = dhaka.clone().tz("America/Los_Angeles");



            $('#time').html('Dhaka: ' + dhaka.format() + "<BR>New York: " + newYork.format() + "<br>Los Angeles: " + losAngeles.format() + "<br>London: " + london.format());
        })
    </script>
</body>

我的输出是:

Dhaka: 2015-09-01T12:00:00+00:00
New York: 2015-09-01T12:00:00+00:00
Los Angeles: 2015-09-01T12:00:00+00:00
London: 2015-09-01T12:00:00+00:00

我是不是做错了什么?为什么它不起作用?

<html>
<head>
    <title>Test</title>

    <script src='https://cdnjs.cloudflare.com/ajax/libs/jquery/3.0.0-alpha1/jquery.js'></script>
    <script src="https://cdnjs.cloudflare.com/ajax/libs/moment.js/2.10.6/moment.js"></script>
    <script src="https://cdnjs.cloudflare.com/ajax/libs/moment-timezone/0.4.0/moment-timezone-with-data.min.js"></script>

</head>
<body>
    <span id="time">

    </span> 
    <script>
        $(document).ready(function(){

            var dhaka = moment.tz("2015-09-01 12:00", "Asia/Dhaka");

            var newYork = dhaka.clone().tz("America/New_York");
            var losAngeles = dhaka.clone().tz("America/Los_Angeles");
            var london = dhaka.clone().tz("America/Los_Angeles");

            $('#time').html('Dhaka: ' + dhaka.format() + "<BR>New York: " + newYork.format() + "<br>Los Angeles: " + losAngeles.format() + "<br>London: " + london.format());
        })
    </script>
</body>
</html>

这是 jsfiddle link - https://jsfiddle.net/fgvr1rgL/