Require that one of two form fields is filled

Forum|Forum|7 years ago
March 15, 2019
1 reply
5214 views

I have two fields on a form, we'll say A and B, and need to require that either A or B is filled out (but not necessarily both). So essentially, like a radio button, but for text fields. Any suggestions?

Correct answer try67

OK. Here's how I would do it. Define both fields as required and then use the following custom validation script in each one:

this.getField("Name of other field").required = (event.value=="");

event.target.required = true;

try67

Community Expert

"Require" in what sense, exactly?

libbywblantonAuthor

Participant

The same way that you can make a single field "required," I'd like to apply that to two fields but just require that one or the other is completed. It's actually for a W-4 that we're having new hires at our company complete, and we need to ensure that they either put in a withholding amount OR they complete the "Exempt" box.

try67

Correct answer

Community Expert

OK. Here's how I would do it. Define both fields as required and then use the following custom validation script in each one:

this.getField("Name of other field").required = (event.value=="");

event.target.required = true;

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