Credit Card Payment Form

Published: (January 6, 2026 at 05:58 AM EST)
1 min read
Source: Dev.to

Source: Dev.to

Demo Overview

Wanted to work with some masking, so I created a payment form using vanilla JS and the imask.js library. The form uses regex patterns to detect the credit‑card type as the user types and automatically applies the appropriate spacing for that brand. I also added a bit of visual flair with a simple SVG card that updates as the form is filled out.

View the demo on CodePen

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