Interactive card details form solution

This is a solution to the Interactive card details form challenge on Frontend Mentor. Frontend Mentor challenges help improve coding skills by building realistic projects.

Table of contents

• Overview
  • The challenge
  • Screenshot
  • Links
• My process
  • Built with

Overview

The challenge

Users should be able to:

• Fill in the form and see the card details update in real-time
• Receive error messages when the form is submitted if:
  • Any input field is empty
  • The card number, expiry date, or CVC fields are in the wrong format
• View the optimal layout depending on their device's screen size
• See hover, active, and focus states for interactive elements on the page

Screenshot

Desktop

Error

Success

Mobile

Error

Success

Links

• Solution URL: (https://your-solution-url.com))
• Live Site URL: (https://your-live-site-url.com)

My process

Built with

• Semantic HTML5 markup
• CSS custom properties
• Flexbox
• CSS Grid
• Linear-gradient and border radius for input focus
• Mobile-responsive workflow
• Javascript
• preventdefault
• replace
• match
• test
• addeEventListener
• IfElse
• Foreach
• which