Validating a purchase form with java script

This tutorial will build on the previous PHP form tutorial, introduce some more concepts of PHP form processing, HTML forms and form validation, and instead of saving data to a text file, we will save data to a My SQL database.

It’s important to talk about a security concept here: SQL Injection.This tutorial will not cover it in-depth, but if you plan to make a a public web form, you should be well-versed in SQL injections and how to prevent them.In the meantime, the example script contains a “Prep SQL” function that will “sanitize” inputs from the form.As students explore the fundamentals of Java Script, they gain an understanding of how to implement interactivity, special effects, and enhanced functionality in web development.The course features current web-standards compliance techniques for the web and covers the most up-to-date practices in Java Script.

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