Tips for verifying if two passwords match during registration and displaying an error message if they do not match

How can I ensure that the passwords entered in a registration form match and how do I validate the entire form to be correct?

<form id="registerForm" method="POST" action="/register" class="form2">
                <label>Email</label>
                <input placeholder="Enter your email" type="text" name="email">
                <label>Password</label>
                <input placeholder="Enter password" type="password" id="password" name="password">
                <label>Confirm Password</label>
                <input placeholder="Confirm password" id="password-confirm" name="password-confirm" type="password">
                <input type="hidden" name="regcapch" id="capchField" />
                
                <input id="registerSubmit" style="background: #008DCC; color: white;" value="Register" type="submit" name=""/>
            </form>

Can you provide guidance on writing code that compares the Password field with the Confirm Password field?

Answer №1

Check out this simple guide for an interactive exercise:

  1. Utilize JavaScript along with the onchange event on input fields.
  2. Once the onchange event is activated, compare the field values to see if they match. Access the input field element using document.getElementById.
  3. If the values are not the same, disable the submission button.
  4. You can also incorporate validation for length and characters within the onchange event.

Feel free to try this out independently and share a minimal reproducible example if necessary, as advised by @Andy.

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