troubleshooting Question

subtract one time from another

Avatar of RupertA
RupertAFlag for United Kingdom of Great Britain and Northern Ireland asked on
JavaScript
9 Comments1 Solution4390 ViewsLast Modified:
Hi I am not a programmery type and was hoping somebody could help me out with a function. I have two variables, which are Bigger_Time and Smaller_Time. These variables are in the format 00:00:00. I have no idea what type of variable they are declared to because they have come from a program called lectora. So maybe it would be best in the function below to convert them to a managable form? I definitely know though that the contents of Bigger_Time and Smaller_Time is in the format 00:00:00.  So for instance 00:34:56 would mean 34 minutes and 56 seconds. I wish to be able to subtract Smaller_Time from Bigger_Time in the function below and put the result in a a variable that I have already declared called resultingtime.  For instance if Bigger_Time is 00:09:52 and Smaller_Time is 00:04:27 then the difference is 00:05:25.

I know that my function will look like this

<SCRIPT language="JavaScript">

function subtract_time()
{

IN HERE


}

</script>

I was hoping somebody could write in and show me what should go in the IN HERE part. I have had a go but have failed. Hope somebody else has the knowledge. Thanks. If you could give me the fucntion I would be grateful. If not I know I will spend hours trying to work out why it doesn't work, only for it to be something simple. Thanks.
ASKER CERTIFIED SOLUTION
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