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A
Andrew2428529409ea
Participant
May 2, 2022
Question

Need help incorporating a checkbox to a calculation

  • May 2, 2022
  • 2 replies
  • 605 views

Hi,

I am developing a PDF fillable form for travel requests. I want to be able to calculate additional mileage with a checkbox. If a person inputs the mileage into the mileage box, and the current govt. rate, then it will calculate in a different field. I can do that calculation as "product". However, I would like to add that if the person selects the checkbox marked "RT-round trip" it will double the mileage and times by the govt. rate. I am assuming I can only do this using javascript and am a "noobie" to writing javascript. I have looked at several discussions and websites for help but can't quite seem to grasp what is needed. The fields are identified as such: "Estim.Miles1", "Check Box 1", "Rate/Mile", "Mileage.TOTAL" Any help on this would be appreciated.

Thank you

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2 replies

A
Andrew2428529409eaAuthor
Participant
May 16, 2022

Thank you both very much!

I have been out on PTO and will get to this later in the week.

 

Thanks again

BarlaeDC
Community Expert
BarlaeDCCommunity Expert
Community Expert
May 10, 2022

Hi,

 

This is possible, using code like the following in the Actions -> Add -> Run JavaScript of the checkbox.

 

// change the value inbetween the "", to your field name
var mileageField = this.getField("mileageField");
// Assuming the checkbox exports a value of "Yes" when clicked
// if you change that value, you need to change it here
if ( event.target.value == "Yes"){
    // double the value in the field
    // I have not covered the value not being a number.
    mileageField.value = mileageField.value * 2;
} else {
    // assumtion if it is unchecked, we should halve the value.
    mileageField.value = mileageField.value / 2;
}

 

edit : corrected typo.

Nesa Nurani
Community Expert
Nesa NuraniCommunity Expert
Community Expert
May 10, 2022

There is 'dot'  in front of mileageField  that needs to be removed  =.mileageField.value / 2;

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