New to Acrobat Adobe, Need Assistance

Question

I have been using Acrobat Adobe for a while now and have been able to do basic calculations. I have not worked with the "Custom calculation script" and was wondering if someone can help me with the calculation, if there is one.

I am wondering if there's a calculation for my statement below:

If "A" has a dollar amount and B is blank, answer is A;

If both "A" and "B" have dollar amounts, fill answer with B.

Your help is greatly appreciated.

Thom Parker · Accepted Answer

If is best to write one of selection statements as mutually exclusive.

var a = this.getField("A").value;
var b = this.getField("B").value;

if ((a != "") && (b !="")) event.value = b;
else if ( (a !="") && (b =="") ) event.value = a;
else event.value ="";

ls_rbls · Answer

Assuming that you have three form fields named A, B, and Total, you can use a custom calculating script as shown below for the Total field:

var a = this.getField("A").value;
var b = this.getField("B").value;

if (a && b !="") event.value = b;
if ( (a !="") && (b =="") ) event.value = a;

else event.value ="";

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