Form Validation does not work when browser saved data is used. #40879

Shehan-lakshitha · 2024-09-30T07:28:29Z

Prerequisites

I have searched for duplicate or closed issues
I have validated any HTML to avoid common problems
I have read the contributing guidelines

Describe the issue

On below registration form the form validation, which is the tick does not show when the user uses the browser saved data, but shows up the when user enter the data manually. Below images show for reference,

When manually entered,

When used the browser saved data,

Please refer the below code

<!doctype html>
<html lang="en">
<head>
  <!-- Required meta tags and Bootstrap CSS -->
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Registration Form</title>
  <!-- Bootstrap CSS -->
  <link href="https://cdn.jsdelivr.net/npm/[email protected]/dist/css/bootstrap.min.css" rel="stylesheet">
  <style>
    /* Optional: Adjust form width on larger screens */
    .registration-form {
      max-width: 500px;
      margin: auto;
    }

    /* Remove autofill background color in Chrome */
    input:-webkit-autofill {
    -webkit-box-shadow: 0 0 0 1000px white inset !important; /* Changes background to white */
    -webkit-text-fill-color: #000 !important; /* Ensures text remains black */
  }
  </style>
</head>
<body>

<div class="container mt-5">
  <div class="registration-form">
    <div class="card">
      <div class="card-body">
        <h3 class="card-title text-center mb-4">Register</h3>
        <form class="needs-validation" novalidate>
          <!-- First Name and Last Name -->
          <div class="row">
            <div class="col-md-6 mb-3">
              <label for="firstName" class="form-label">First Name</label>
              <input type="text" class="form-control" id="firstName" pattern="^[A-Za-z]+$" placeholder="First Name" required>
              <div class="invalid-feedback">
                Please enter your first name (letters only).
              </div>
            </div>
            <div class="col-md-6 mb-3">
              <label for="lastName" class="form-label">Last Name</label>
              <input type="text" class="form-control" id="lastName" pattern="^[A-Za-z]+$" placeholder="Last Name" required>
              <div class="invalid-feedback">
                Please enter your last name (letters only).
              </div>
            </div>
          </div>
          <!-- Email -->
          <div class="mb-3">
            <label for="emailAddress" class="form-label">Email</label>
            <input type="email" class="form-control" id="emailAddress" placeholder="Email" required>
            <div class="invalid-feedback">
              Please enter a valid email address.
            </div>
          </div>
          <!-- Password -->
          <div class="mb-3">
            <label for="password" class="form-label">Password</label>
            <input type="password" class="form-control" id="password" minlength="6" placeholder="Password" required>
            <div class="invalid-feedback">
              Please enter a password with at least 6 characters.
            </div>
          </div>
          <!-- Confirm Password -->
          <div class="mb-3">
            <label for="confirmPassword" class="form-label">Confirm Password</label>
            <input type="password" class="form-control" id="confirmPassword" minlength="6" placeholder="Confirm Password" required>
            <div class="invalid-feedback">
              Passwords do not match.
            </div>
          </div>
          <!-- Terms and Conditions -->
          <div class="form-check mb-3">
            <input type="checkbox" id="terms" class="form-check-input" required>
            <label class="form-check-label" for="terms">I agree to the terms and conditions</label>
            <div class="invalid-feedback">
              You must agree to the terms and conditions.
            </div>
          </div>
          <!-- Submit Button -->
          <div class="d-grid">
            <button class="btn btn-primary" type="submit">Register</button>
          </div>
        </form>
      </div>
    </div>
  </div>
</div>

<!-- Bootstrap JS and custom validation script -->
<script src="https://cdn.jsdelivr.net/npm/[email protected]/dist/js/bootstrap.bundle.min.js"></script>
<script>
(() => {
  'use strict';

  // Fetch all the forms we want to apply custom Bootstrap validation styles to
  const forms = document.querySelectorAll('.needs-validation');

  // Trigger validation for autofilled fields on page load
  const triggerAutofillValidation = () => {
    const autofillFields = document.querySelectorAll('input:-webkit-autofill');

    // Dispatch an input event for each autofilled field to trigger validation
    autofillFields.forEach(field => {
      field.dispatchEvent(new Event('input', { bubbles: true }));
    });
  };

  // On window load, trigger autofill validation
  window.addEventListener('load', triggerAutofillValidation);

  // Loop over each form and prevent submission if invalid
  Array.from(forms).forEach(form => {
    // Password and Confirm Password fields
    const password = form.querySelector('#password');
    const confirmPassword = form.querySelector('#confirmPassword');

    // Event listener to validate password match
    confirmPassword.addEventListener('input', function () {
      if (confirmPassword.value !== password.value) {
        confirmPassword.setCustomValidity('Passwords do not match');
      } else {
        confirmPassword.setCustomValidity('');
      }
    });

    // Form submission event
    form.addEventListener('submit', event => {
      // Check for validity
      if (!form.checkValidity()) {
        event.preventDefault();
        event.stopPropagation();
      }

      // Add Bootstrap validation classes
      form.classList.add('was-validated');
    }, false);

  });
})();
</script>

</body>
</html>

Reduced test cases

None

What operating system(s) are you seeing the problem on?

Windows

What browser(s) are you seeing the problem on?

Chrome, Microsoft Edge

What version of Bootstrap are you using?

v5.3.3

MohamadSalman11 · 2024-10-01T10:11:37Z

The issue is that the user agent stylesheet sets the background-image to none !important, making them non-overridable which means our background image won’t show when users select saved data. According to the MDN documentation, we can’t easily change this. You can check out: MDN :autofill

However, we can use, for example, the trickbox-shadow: 0 0 0 1000px orangered inset; to customize the background color, but this is not our main goal since we want to show the tick image.

Shehan-lakshitha · 2024-10-02T03:38:55Z

Yes that would fix the background colour, but no the tick :(

julien-deramond added css v5 labels Sep 30, 2024

MohamadSalman11 mentioned this issue Oct 3, 2024

Design Issues Due to Overlapping Icons in Input Field #40885

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Form Validation does not work when browser saved data is used. #40879

Form Validation does not work when browser saved data is used. #40879

Shehan-lakshitha commented Sep 30, 2024 •

edited by julien-deramond

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MohamadSalman11 commented Oct 1, 2024 •

edited

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Shehan-lakshitha commented Oct 2, 2024

Form Validation does not work when browser saved data is used. #40879

Form Validation does not work when browser saved data is used. #40879

Comments

Shehan-lakshitha commented Sep 30, 2024 • edited by julien-deramond Loading

Prerequisites

Describe the issue

Reduced test cases

What operating system(s) are you seeing the problem on?

What browser(s) are you seeing the problem on?

What version of Bootstrap are you using?

MohamadSalman11 commented Oct 1, 2024 • edited Loading

Shehan-lakshitha commented Oct 2, 2024

Shehan-lakshitha commented Sep 30, 2024 •

edited by julien-deramond

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MohamadSalman11 commented Oct 1, 2024 •

edited

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