Chrono

Chrono is a simple chronometer with lap counter, built to highlight various aspects of the open web app development process. Read the full developer walkthrough.

Difficulty: Easy

Code Breakdown:

  • 7% HTML
  • 11% CSS
  • 82% JavaScript

 

 

Web API Usage

appcache
Chrono does not require a network connection to run.
Open Web Apps
Uses the Open Web Apps installation API to allow installation on the device independently on Marketplace.

Custom Elements

Gaia Building Blocks
Chrono uses the same UI components as the built-in apps.

Third-party Libraries

volo.js
Uses a volo.js script to optimize app before release, i.e. by auto-generating an appcache manifest.
jQuery
Uses jQuery to simplify common tasks such as DOM manipulation.
RequireJS
Uses RequireJS to split JavaScript code into more easily maintainable modules.

Attachments

File Size Date Attached by
Chrono example screenshot
12716 bytes 2013-09-27 05:34:21 chrisdavidmills

Document Tags and Contributors

Contributors to this page: georgialyle, chrisdavidmills
Last updated by: georgialyle,