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Timer/Stop Watch

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Timer/Stop Watch ASP Development forum discussing ASP related topics including coding practices, ASP tips, and more. Active Server Pages (ASP) enables you to empower your HTML pages dynamically with robust scripting options.

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  #1  
Old June 17th, 2004, 04:14 AM
sanjanah_verma sanjanah_verma is offline
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Timer/Stop Watch
Hi,
I require a program that will allow a user to start the timer when he hits a button and stop the timer when he hits another button.
And,
Is there anyway where i can get the difference in Time:

Start time=12:15:54
Stop Time=12:20:12

Difference in time is:00:04:18

Any help would be appreciated.

Thanks.
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  #2  
Old June 17th, 2004, 04:34 AM
manib_108 manib_108 is offline
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u can use javascript for the pupose. on the click of the start button call a javascript function that creates a date type object in javascript and set it to the current system time. u can know about all the functions of date object at the following link:

http://www.devguru.com/Technologies...ckref/date.html

on the click of stop button retrieve the value of that object and subtract it from system time. u will get the difference. hope this will solve ur problem.
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Old June 17th, 2004, 04:54 AM
sanjanah_verma sanjanah_verma is offline
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I have done by using JavaScript only!But i want to know the exact function/command that is used to find the difference between times.
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Old June 17th, 2004, 06:54 AM
manib_108 manib_108 is offline
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can u give the code u have created so i can see it and tell u the method to be used to get the difference
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Old June 18th, 2004, 01:46 AM
sanjanah_verma sanjanah_verma is offline
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I am giving you the code which i am using now.This one was taken from web.It actually starts and stops a Stopwatch.Now what i want to do with this is,As soon as i load that page the timer should start.I included <body onload="findTime()"> in the code.But still the timer doesnot start when the page is loaded.If you can help me with this it'll be useful,Thanx in advance.

<html>
<body onload="findTime()">
<script language="javascript">
var base = 60;
var clocktimer,dateObj,dh,dm,ds,ms;
var readout='';
var h=1;
var m=1;
var tm=1;
var s=0;
var ts=0;
var ms=0;
var show=true;
var init=0;
var mPLUS=new Array(
'm0',
'm1',
'm2',
'm3',
'm4',
'm5',
'm6',
'm7',
'm8',
'm9'
);
var ii=0;
function clearALL() {
clearTimeout(clocktimer);
h=1;m=1;tm=1;s=0;ts=0;ms=0;
init=0;show=true;
readout='00:00:00.00';
document.clockform.clock.value=readout;
var CF = document.clockform;
for (ij=0;ij<=9;ij++) { CF[mPLUS[ij]].value = ''; }
ii = 0;
}

function startTIME() {
var cdateObj = new Date();
var t = (cdateObj.getTime() - dateObj.getTime())-(s*1000);
if (t>999) { s++; }
if (s>=(m*base)) {
ts=0;
m++;
} else {
ts=parseInt((ms/100)+s);
if(ts>=base) { ts=ts-((m-1)*base); }
}
if (m>(h*base)) {
tm=1;
h++;
} else {
tm=parseInt((ms/100)+m);
if(tm>=base) { tm=tm-((h-1)*base); }
}
ms = Math.round(t/10);
if (ms>99) {ms=0;}
if (ms==0) {ms='00';}
if (ms>0&&ms<=9) { ms = '0'+ms; }
if (ts>0) { ds = ts; if (ts<10) { ds = '0'+ts; }} else { ds = '00'; }
dm=tm-1;
if (dm>0) { if (dm<10) { dm = '0'+dm; }} else { dm = '00'; }
dh=h-1;
if (dh>0) { if (dh<10) { dh = '0'+dh; }} else { dh = '00'; }
readout = dh + ':' + dm + ':' + ds + '.' + ms;
if (show==true) { document.clockform.clock.value = readout; }
clocktimer = setTimeout("startTIME()",1);
}

function findTIME() {
if (init==0) {
dateObj = new Date();
startTIME();
init=1;
} else {
if(show==true) {
show=false;
} else {
show=true;
}
}
}


</script>


<form name=clockform>
<table cellpadding=2 cellspacing=0 border=0>
<tr>
<td><input name=clock size=12 value="00:00:00.00"></td>
</tr>
<tr>
<td><input name=clearer type=button value=" Reset " onclick="clearALL()"></td>
<td><input name=starter type=button value="Start / Stop" onclick="findTIME()"></td>
</tr>
</form>
</table>
</body>
</html>
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  #6  
Old June 21st, 2004, 05:16 AM
manib_108 manib_108 is offline
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the code is working fine except for a few errors
1) the name of the findTime function is written in wrong cases at calls. Remember that the javascript is case sensitive
2) at line for (ij=0;ij<=9;ij++) { CF[mPLUS[ij]].value = ''; } delete the CF while accessing the array as the array is not the part of the form
otherwise the code is running ok but when u stop the watch shouldn't the values of text boxes set to zero
the code will work after the corrections
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  #7  
Old June 22nd, 2004, 08:40 AM
sanjanah_verma sanjanah_verma is offline
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Hey got it working.I had been calling the function with the wrong name.Found it late.Thanx for ur help
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