I am new to Javascript and trying to create PDF form which will calculate PV (present value) value for based on fields like Rate, Nper & PMT. Please help me regarding this. I think people with good experience about Javascript can solve this.
The code is working but thing is that until I enter the value in the form , it keeps on showing me alert messages which says "the value entered doesnt match the format of the field. How to remove this alert message?
That's happening because you're trying to divide by zero.
Use this instead:
var R = Number(this.getField("Rate").valueAsString);
var N = Number(this.getField("NPER").valueAsString);
var P = Number(this.getField("PMT").valueAsString);
if (R!=0) {
event.value =P*(1-(Math.pow((1+(R/100)),-N)))/(R/100);
} else event.value = "";
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