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Form Validation

Intermediatechallenge

Implement client-side form validation for a user registration form.

Objective

Create a user registration form with client-side validation.

Requirements

  1. Create a form with fields for username, email, password, and password confirmation.
  2. Use JavaScript to validate the form before submission.
  3. Implement the following validations:
    • Username: At least 3 characters long
    • Email: Valid email format
    • Password: Minimum 8 characters, must contain numbers and special characters
    • Password Confirmation: Must match the password

Steps

  1. Create the HTML structure for the registration form.
  2. Style the form using CSS to make it visually appealing.
  3. Write JavaScript functions to validate each field.
  4. Add event listeners to validate fields in real-time and on form submission.
  5. Display error messages for invalid fields.

Bonus

  • Add password strength indicator.
  • Implement AJAX form submission.

Resources