How do I combine three prefilled fields to auto-fill a single field?

Timothy Makalinao asked June 05, 2023 13:13

Answered

Hi, if I have fields that are saved and prefilled from a member account, but then have a feature that combines the fields and automatically pre-fills am I able to do that? How would I do that? I know how to do it with one field on custom attributes pre-filled, but would like to combine 3 fields and auto fill one.

14 comments

Julian Galluzzo June 05, 2023 13:15

What would the output of this be?

Would the 3 fields fill into this one field and then when the form is submitted, they would then update this new field while leaving the other 3 fields alone?

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Timothy Makalinao OP June 05, 2023 13:16

yes they would fill that one field, but doesn't update the field it actually runs a script on the field that is autofilled

this is what it powers

just incentivizing users to create an account so its autofilled is where I'm at

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Julian Galluzzo June 05, 2023 13:18

so you would only want the address field to populate here, and you wouldnt want it updating anything in Memberstack?

And just to confirm, this would be autofilled, but a user can then go and type any address they want, replacing the autofill?

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Timothy Makalinao OP June 05, 2023 13:18

yes, correct

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Julian Galluzzo June 05, 2023 13:21

OK, gonna look into that for you now and see what i can do

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Timothy Makalinao OP June 05, 2023 13:21

sweet i imagine it's actually pretty simple using some javascript and calling the field

with some formula that concats them

i just wanted to post on here before i spent the time to figure it out if anyone had done already

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Julian Galluzzo June 05, 2023 13:21

I did it! https://www.loom.com/share/ae67676876a14ca4a61157dca362467a

Here's a read only https://preview.webflow.com/preview/combine-fields?utm_medium=preview_link&utm_source=[…]024a72e1de&pageId=642695cb49a5ed031a4a0518&workflow=preview

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Timothy Makalinao OP June 05, 2023 13:22

awesome similar solution i was thinking of

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Julian Galluzzo June 05, 2023 13:22

On my end, all works perfect! Ideally these would pull directly from memberstack instead, but the code bloat with the extra fields is minimal so its all good

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Timothy Makalinao OP June 05, 2023 13:22

Julian Galluzzo seems preview is broken?

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Julian Galluzzo June 05, 2023 13:23

https://webflow.com/made-in-webflow/website/combine-fields

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Timothy Makalinao OP June 05, 2023 13:23

just implemented

it works great

Thanks so much

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Julian Galluzzo June 05, 2023 13:24

No problem! Glad to hear it, let me know if anything else comes up 😃

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Timothy Makalinao OP June 05, 2023 13:25
```
var totalAddress = '';

// Check if all fields have values, then concatenate them into the total address
if (streetAddress) {
  totalAddress = streetAddress + ', ' + city + ', ' + zipCode;
}
```
I made a small tweak to make the field empty

if streetAddress isn't filled

so that the commas don't show up

if not member where at least street address is required

thanks mate!
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