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JavaScript Newbie Trying to Figure out an If/Then/Else depending on if a Field is Blank

Forum|Forum|1 year ago
October 9, 2024
返信数 2.
1709 ビュー

Hi All!

So I've been googling, but I think I don't fully understand how to tell javascript what I want to do.

I'm trying to get a total in Field4 based on three other fields, Field1, Field2, Field3.

If Field 3 is blank, I want the minimum of Filed 1 and Field 2. Otherwise, I want the maximum.

var a = this.getField("Field1");
var b = this.getField("Field2");
var c = this.getField("Field3");

if (c==="") {
Math.min(a,b);
} else {
Math.max(a,b);
}

When I put that in, it gives me 0. For reference, Field1 = 7, Field2 = 9, and Field3 is blank on my form. So I'd be hoping the calculation would show 7, and would change to a 9, if I put a "1" in Field3.

I know what I'm missing has got to be simple or an inherent misunderstanding of javascirpt, but I can't for the life of me figure it out.

このトピックへの返信は締め切られました。

解決に役立った回答 Nesa Nurani

Here's what the Java Script Editor for the field looks like

You also need to assign min and max to event field as pointed by @PDF Automation Station

PDF Automation Station

Community Expert

this.getField("Field1") calls the field object. You need to call the value of the field object like this:

this.getField("Field1").value

Nesa Nurani

Community Expert

Use like this:

var a = this.getField("Field1").value;

var b = this.getField("Field2").value;
var c = this.getField("Field3").value;

if (c==="") {
Math.min(a,b);
} else {
Math.max(a,b);
}

if you use like this:

var a = this.getField("Field1");
var b = this.getField("Field2");
var c = this.getField("Field3");

then need to add values like this:

if (c.value==="") {
Math.min(a.value,b.value);
} else {
Math.max(a.value,b.value);
}

J

jeanne_3690作成者

Participant

Thank you so much!

I pasted your first example, and changed out the actual field names in my file (pasting them as they are in my file this time, in case that's part of the problem)

var a = this.getField("SPI").value;
var b = this.getField("WLL").value;
var c = this.getField("Rank1").value;

if (c==="") {
Math.min(a,b);
} else {
Math.max(a,b);
}

The field calculates blank, now.
SPI=7 on my form (Field1)
WLL = 9 on my form (Field2)
Rank1 = whether it's blank or has a number in it, the field (Field3)
ART = Regardless of whether Rank1 is blank, 0, or 1, ART is staying blank (Field4)

Is making Rank1 a value somehow negating that it's blank in javascript?

J

jeanne_3690作成者

Participant

Here's what the Java Script Editor for the field looks like

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