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This JavaScript timer countdown displays a Javascript countdown timer and alerts the user when the timer reaches zero. This countdown timer then redirects to another Web page. Particularly useful if you are writing an online test.

Label: javascript timer countdown, countdown timer html, javascript countdown timer, html countdown, javascript timer clock, javascript clock, javascript countdown clock, countdown script

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<style type="text/css">
#txt {
  border:none;
  font-family:verdana;
  font-size:16pt;
  font-weight:bold;
  border-right-color:#FFFFFF
}

</style>
	<!--
    	This script downloaded from www.JavaScriptBank.com
    	Come to view and download over 2000+ free javascript at www.JavaScriptBank.com
	-->

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<script language="javascript">
// Created by: Neill Broderick :: http://www.bespoke-software-solutions.co.uk/downloads/downjs.php

var mins
var secs;

function cd() {
 	mins = 1 * m("10"); // change minutes here
 	secs = 0 + s(":01"); // change seconds here (always add an additional second to your total)
 	redo();
}

function m(obj) {
 	for(var i = 0; i < obj.length; i++) {
  		if(obj.substring(i, i + 1) == ":")
  		break;
 	}
 	return(obj.substring(0, i));
}

function s(obj) {
 	for(var i = 0; i < obj.length; i++) {
  		if(obj.substring(i, i + 1) == ":")
  		break;
 	}
 	return(obj.substring(i + 1, obj.length));
}

function dis(mins,secs) {
 	var disp;
 	if(mins <= 9) {
  		disp = " 0";
 	} else {
  		disp = " ";
 	}
 	disp += mins + ":";
 	if(secs <= 9) {
  		disp += "0" + secs;
 	} else {
  		disp += secs;
 	}
 	return(disp);
}

function redo() {
 	secs--;
 	if(secs == -1) {
  		secs = 59;
  		mins--;
 	}
 	document.cd.disp.value = dis(mins,secs); // setup additional displays here.
 	if((mins == 0) && (secs == 0)) {
  		window.alert("Time is up. Press OK to continue."); // change timeout message as required
  		// window.location = "yourpage.htm" // redirects to specified page once timer ends and ok button is pressed
 	} else {
 		cd = setTimeout("redo()",1000);
 	}
}

function init() {
  cd();
}
window.onload = init;
</script>
	<!--
    	This script downloaded from www.JavaScriptBank.com
    	Come to view and download over 2000+ free javascript at www.JavaScriptBank.com
	-->

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<form name="cd">
<input id="txt" readonly="true" type="text" value="10:00" border="0" name="disp">
</form>
	<!--
    	This script downloaded from www.JavaScriptBank.com
    	Come to view and download over 2000+ free javascript at www.JavaScriptBank.com
	-->

Comment (195)
Write

by Paramita, 31/03/2010 04:03 AM
nice one Reply

nice informative post.. glad to see it.. thanks..

by scraps, 09/04/2010 01:04 PM
good share Reply

easy coding, good stuff for novice js coder... thanks again

by cheryl, 12/04/2010 07:04 AM
useful script Reply

thanks for share ... this a useful script for me.

by Sudeep Das, 16/04/2010 12:04 AM
very nice one Reply

thanks for that script. I was searching for it from one week ago

by SEO dubai, 22/04/2010 12:04 PM
great job Reply

this is an awesome scriptt couldnt believe that it was that easy

by Logo design, 07/05/2010 04:05 AM
I am impressed Reply

I am very impressed with you site.I come here from google.Thank you.

by Dissertation Writing Help, 24/05/2010 09:05 AM
Dissertation Reply

it's good to see this information in your post, i was looking the same but there was not any proper resource, thanx now i have the link which i was looking for my research.

by ged online, 24/05/2010 10:05 PM
thanks Reply

thanks buddy for sharing here
I am very impressed with you site

by Bahrain hotels, 25/05/2010 07:05 AM
Reply

i always go with Javascript compared to Flash!!
great job

by acnezine, 17/06/2010 03:06 AM
Re: Reply

Hey, this is very useful stuff. Didn't use it before.

1 2 3 ..22

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29/01/2007
Neill Broderick [more]
81,431
195
59
2
3.78 KBytes

JavaScript Countdown Timer | JavaScript Timer Countdown

3.6/5 59 votes / 81,431 previews / 195 comment 29/01/2007 This JavaScript timer countdown displays a Javascript countdown timer and alerts the user when the timer reaches zero. T...JavaScript Countdown Timer | JavaScript Timer Countdown - JavaScript Countdown Timer | JavaScript Timer Countdown

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