Form Validation in JavaScript is a method to authenticate the user; provides a way to validate the form's data on the client's computer before sending it to the webserver.
CONTACT US VALIDATION
In this script, we validate the name, subject, phone number and the message of the user:
- The fields must not be empty.
- Subject must be al least 10 characters long.
- Phone number should be valid (10 digit number).
- Message should be at least 50 characters long.
CREATE ACCOUNT VALIDATE
In this script we validate the username, email and password of the user:
- The fields shouldn't be empty.
- The email should be in the appropriate format.
- Password should be at least 8 characters long, 1 uppercase letter, 1 lowercase letter and 1 number.
- Two passwords should match with each other.