Converting time with scand is giving me NULL

Question

I'm trying to get the processing start time and then subtract it from the processing end time. I need to convert the time before doing the math, right?

both of my scand commands give me NULL. Can you guys see what I did wrong here?

var startTime = util.printd("HH:MM:ss", new Date());
var compStartTime = util.scand("HH:MM:ss",startTime);
app.alert("start time converted: "+compStartTime);

// Do some stuff

var finishTime = util.printd("HH:MM:ss", new Date());
var compFinishTime = util.scand("HH:MM:ss", finishTime);

var calcTime = compFinishTime - compStartTime;
var finalTime = util.printd("HH:MM:ss",calcTime);
app.alert(finalTime);

Thanks for your help!

Rick

BarlaeDC · Accepted Answer

Hi,I think it is a little complicated, as I don't think you need to worry about format until you are ready to show it to the user so you code could be simplified tofunction msToTime(duration) { var milliseconds = parseInt((duration % 1000) / 100), seconds = parseInt((duration / 1000) % 60), minutes = parseInt((duration / (1000 * 60)) % 60), hours = parseInt((duration / (1000 * 60 * 60)) % 24); hours = (hours < 10) ? "0" + hours : hours; minutes = (minutes < 10) ? "0" + minutes : minutes; seconds = (seconds < 10) ? "0" + seconds : seconds; return hours + ":" + minutes + ":" + seconds + "." + milliseconds;}var startTime = new Date();// Do some stuffvar finishTime = new Date();var finalTime = finishTime - startTime;app.alert ( msToTime ( finalTime));Hope this helps, and there a probably other ways.Malcolm

George_Johnson · Answer

rickr43378632 wroteI need to convert the time before doing the math, right?No. Consider the followingvar t1 = new Date();// Do stuffvar t2 = new Date();// Show user the number of milliseconds between t2 and t1app.alert(t2 - t1);

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