Lesson-06-WebAPIBasics

Please see the slide.

Assignment

Please write a simple clock application, which has the following features.

1. (30%) Display current time in YYYY/MM/dd hh:mm:ss format (e.g.: 2015/11/02 19:02:29), and update it every second.
   1. (+5%) Display week.
   2. (+5%) Display timezone.
2. (30%) Stopwatch that displays in mm:ss.cc (e.g.: 00:00.00). Users can click buttons to start, pause and reset the stopwatch.
   • start: Starts the timer, increases the timer every 1/100 second.
   • pause: Pauses the timer, the timer can be resumed by start.
   • reset: Resets the timer to zero.
3. (40%) Users can schedule an alarm that will trigger in future (at most 59min 59sec).
   • NOTE: Your application should be able to notify users even if they closed the application.

Turn In

1. Fork this repository.
2. Modify files in simple_clock directory.
3. Create a pull request that have your student ID in the title.

Deadline

Please create the pull request before the end of 2015/11/13 (UTC+8).

If you turn in after 2015/11/13 and before the end of 2015/11/20 (UTC+8), your score will multiply with 80%.

Hints

1. You can use Date to get the desired time.
2. You can use setInterval to periodically do something.
3. You can use Alarm API to schedule messages to system.
4. You can use Notifications API to send system-level notifications.

Examples

Some examples were borrowed from somewhere.

Simple Telnet Client

Cloned from https://github.com/soapdog/firefoxos-sample-app-telnet-client .

Bouncing Ball

Copied from https://developer.mozilla.org/en-US/docs/Web/API/Detecting_device_orientation .

Todo List

Cloned from https://github.com/mdn/to-do-notifications/tree/gh-pages .

Emogotchi

Cloned from https://github.com/mdn/emogotchi .