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Thumb Javascript Date Time Countdown Tutorial Christmas 2012 Doomsday
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Publish Date - Apr 19, 2012     Author - Adam Khoury
Javascript Date Time Countdown Tutorial Christmas 2012 Doomsday
Learn to build Javascript countdown applications for any target date and time. We use the Javascript date object to establish two dates to work between with our simple calculations. Once we get the total seconds between the two dates and times we can break the seconds down to minutes, hours, days and even years if your target date is far into the future.
Lesson Code
<!DOCTYPE html>
<script type="text/javascript">
function cdtd() {
var xmas = new Date("December 25, 2012 00:01:00");
var now = new Date();
var timeDiff = xmas.getTime() - now.getTime();
if (timeDiff <= 0) {
document.write("Christmas is here!");
// Run any code needed for countdown completion here
var seconds = Math.floor(timeDiff / 1000);
var minutes = Math.floor(seconds / 60);
var hours = Math.floor(minutes / 60);
var days = Math.floor(hours / 24);
hours %= 24;
    minutes %= 60;
    seconds %= 60;
document.getElementById("daysBox").innerHTML = days;
document.getElementById("hoursBox").innerHTML = hours;
document.getElementById("minsBox").innerHTML = minutes;
document.getElementById("secsBox").innerHTML = seconds;
var timer = setTimeout('cdtd()',1000);
Days Remaining:
<div id="daysBox"></div>
Hours Remaining:
<div id="hoursBox"></div>
Minutes Remaining:
<div id="minsBox"></div>
Seconds Remaining:
<div id="secsBox"></div>
<script type="text/javascript">cdtd();</script>

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CSS Level 3 Properties is a growing educational system packed with video and written material that you can access 24/7 100% free. The focus here in 2014 is spread between five technologies: HTML, CSS, JavaScript, PHP and MySQL. Learn programming theory, database interaction, web design, animation, graphics editing, vector art, 3D modeling, and much more. The educational experience here is a hybrid one offering both high quality video tutorials and code libraries that grow more robust every day. The code libraries are being assembled so that developers can discover all of the building blocks of their favorite languages. The libraries coupled with high quality video tutorials will take you deep down the rabbit hole very quickly. You can also ask questions and get free advice at