Countdown Timer using Javascript

Read the question carefully.
Understand that English isn't everyone's first language so be lenient of bad spelling and grammar.
If a question is poorly phrased then either ask for clarification, ignore it, or edit the question and fix the problem. Insults are not welcome.
Don't tell someone to read the manual. Chances are they have and don't get it. Provide an answer or move on to the next question.

Let's work to help developers, not make them feel stupid.

This content, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)

Muralikrishna8811 · Accepted Answer · 2011-09-21T22:41:00

hi,

Check my code for count down timer

HTML

<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
    <title></title>
    <script language ="javascript" >
        var tim;
       
        var min = 20;
        var sec = 60;
        var f = new Date();
        function f1() {
            f2();
            document.getElementById("starttime").innerHTML = "Your started your Exam at " + f.getHours() + ":" + f.getMinutes();
             
          
        }
        function f2() {
            if (parseInt(sec) > 0) {
                sec = parseInt(sec) - 1;
                document.getElementById("showtime").innerHTML = "Your Left Time  is :"+min+" Minutes ," + sec+" Seconds";
                tim = setTimeout("f2()", 1000);
            }
            else {
                if (parseInt(sec) == 0) {
                    min = parseInt(min) - 1;
                    if (parseInt(min) == 0) {
                        clearTimeout(tim);
                        location.href = "default5.aspx";
                    }
                    else {
                        sec = 60;
                        document.getElementById("showtime").innerHTML = "Your Left Time  is :" + min + " Minutes ," + sec + " Seconds";
                        tim = setTimeout("f2()", 1000);
                    }
                }
               
            }
        }
    </script>
</head>
<body onload="f1()" >
    <form id="form1" runat="server">
    <div>
      <table width="100%" align="center">
        <tr>
          <td colspan="2">
            <h2>This is head part for showing timer and all other details</h2>
          </td>
        </tr>
        <tr>
          <td>
            <div id="starttime"></div><br />
            <div id="endtime"></div><br />
            <div id="showtime"></div>
          </td>
        </tr>
        <tr>
          <td>
             
              <br />
            
              
          </td>
         
        </tr>
      </table>
      <br />
   

    </div>
    </form>
</body>
</html>

I hope this is helpful to you

All the Best