Jquery not validating on submit

Similarly, form data is typically saved in a database on the server.

Because your database contains sensitive information, hackers may attempt to use your form to submit malicious commands to your backend database.

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There are two types of validation: client side validation and server side validation.The only difference is that now we want to check whether the email address looks like an email address.We know that email addresses should include an @ symbol and end with a feasible domain name. Regular expressions are a programming language for parsing text.If you are using a My SQL database, this is called My SQL Injection.To avoid this problem, you must validate form submissions using your server.

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