calculation with time fields

[Michael Werren]

I like to add two HH:MM formated fields to a summary

var t1 = this.getField("Time1").value;
var t2 = this.getField("Time2").value;

this.getField("TimeTotal").value = t1 + t2;

but this will add the string like 00:15 + 00:15 to 00:1500:15

any idea how I have to solve this?

[Yang Lu]

Hi Michael,

 

Thanks for asking.

 

If my understanding is correct, your goal is to sum the time span, not the time. I think the first thing is to parse the time as I do not think the “getField("Time1").value;” can return the value internally as a time. You will need to write a custom parser for that. You can probably convert the time span into seconds; then add them together.

 

This post can probably give you some ideas:

http://stackoverflow.com/questions/141136/calculate-timespan-in-javascript

 

Thanks,

Yang

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