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Counts down to a future date using text and class names to add styling to.
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countdown.js: Animated Countdown Timer

Counts down to a future date using text and class names to add styling to.

Try the demo.

How to include the script

The stylesheet is best included in the header of the document.

<link rel="stylesheet" href="./css/countdown.css"/>

This include can be added to the header or placed inline before the script is invoked.

<script src="./js/countdown.js"></script>

How to start the script

var countdown = new Countdown({
	'element' : document.getElementById('id'),
	'end' : new Date('December 31, 2015 23:59:59'),
	'onEnd' : function(){}

id : {string} - The ID attribute of an element somewhere in the document.

end : {date} - A date object containing the end date and time.

onEnd : {function} - A function that will be executed when the time limit expires.

How to control the script



Update the clock.

How to build the script

This project uses node.js from

This project uses gulp.js from

The following commands are available for development:

  • npm install - Installs the prerequisites.
  • gulp import - Re-imports libraries from supporting projects to ./src/libs/ if available under the same folder tree.
  • gulp dev - Builds the project for development purposes.
  • gulp dist - Builds the project for deployment purposes.
  • gulp watch - Continuously recompiles updated files during development sessions.
  • gulp serve - Serves the project on a temporary web server at http://localhost:8500/.
  • gulp php - Serves the project on a temporary php server at http://localhost:8500/.


This work is licensed under a Creative Commons Attribution 3.0 Unported License. The latest version of this and other scripts by the same author can be found at

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