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Home » JavaScript » Digital clock using JavaScript

Digital clock using JavaScript

By  Purushottam Rathore June 21, 2007

In this article you will learn how to create the digital clock in JavaScript.
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Digital_Clock.zip
 
 
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Simple example to create the digital clock using JavaScript:

 

<html>

  <head><title>Digital Clock</title>

    <style>

    .styling

    {

    background-color:"#ffffcc";

    color:navy;

    font: 20px MS Sans Serif;

    padding: 6px;

    }

    </style>

  </head>

  <body bgcolor="#ccccff">Digital Clock: <br /><br />

    <span id="digitalclock" class="styling"></span>

      <script>

      var alternate=0

      var standardbrowser=!document.all&&!document.getElementById

 

      if (standardbrowser)

      document.write('<form name="form1"><input type="text" name="text1" size="11"></form>')

 

      function show()

      {

        if (!standardbrowser)

        var clockobj=document.getElementById? document.getElementById("digitalclock") : document.all.digitalclock

        var Digital=new Date()

        var hours=Digital.getHours()

        var minutes=Digital.getMinutes()

        var dn="AM"

 

        if (hours==12) dn="PM"

        if (hours>12)

        {

          dn="PM"

          hours=hours-12

        }

        if (hours==0) hours=12

        if (hours.toString().length==1)

        hours="0"+hours

        if (minutes<=9)

        minutes="0"+minutes

 

        if (standardbrowser)

        {

          if (alternate==0)

          document.form1.text1.value=hours+" : "+minutes+" "+dn

          else

          document.form1.text1.value=hours+"   "+minutes+" "+dn

        }

        else

        {

          if (alternate==0)

          clockobj.innerHTML=hours+"<font color='#ff0033'>&nbsp;:&nbsp;</font>"+minutes+" "+"<sup style='font-size:2px'>"+dn+"</sup>"

          else

          clockobj.innerHTML=hours+"<font color='blue'>&nbsp;:&nbsp;</font>"+minutes+" "+"<sup style='font-size:2px'>"+dn+"</sup>"

        }

        alternate=(alternate==0)? 1 : 0

        setTimeout("show()",1000)

      }

      window.onload=show()

    </script>

  </body>

</html>

 

Output: Output of the above script is something as follows:  

 

 

 

Figure: Digital clock.
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 About the author
 
Purushottam Rathore
I am having a Master Degree in Computer Application and I am in this field from last one year and so. I really like to work in the .NET platform.
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 Comments
I like this file by chandara On February 11, 2009
I want to you to help me. I want to design digital clock that it has second is running with minute and hour. It means it is displayed hour, minute and second are running. Thanks
Reply | Email | Modify 
Re: I like this file by Purushottam On February 15, 2009

Hello friend

Thanks to support me.

U can try this script to display time with Hours, minuts and seconds.

<%@ Page Language="C#" AutoEventWireup="true" CodeFile="DigitalClock.aspx.cs" Inherits="DigitalClock" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html xmlns="http://www.w3.org/1999/xhtml">

<head runat="server">

<title>DigitalClock</title>

<script type="text/javascript">

/* showClock() function extracts the current time hours, minutes and seconds and then displays them in the div with showText

id from the BODY section */

function showClock()

{

var clock=new Date();

var hours=clock.getHours();

var minutes=clock.getMinutes();

var seconds=clock.getSeconds();

// for a nice disply we'll add a zero before the numbers between 0 and 9

if (hours<10)

{

hours="0" + hours;

}

if (minutes<10)

{

minutes="0" + minutes;

}

if (seconds<10)

{

seconds="0" + seconds;

}

document.getElementById('showText').innerHTML=hours+":"+minutes+":"+seconds;

t=setTimeout('showClock()',500);

/* setTimeout() JavaScript method is used to call showClock() every 1000 milliseconds (that means exactly 1 second) */

}

</script>

</head>

<body onload="showClock()">

<div id="showText">

</div>

<form id="form1" runat="server">

<div>

</div>

</form>

</body>

</html>

Reply | Email | Modify 
Free JavaScript code for Digital Clock by avaneet On March 23, 2009
Free JavaScript code for Digital Clock at: http://www.etechplanet.com/post/2009/03/22/Digital-Clock-using-JavaScript.aspx
Reply | Email | Modify 
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