Script for validating online order forms
Server-side validation is enough to have a successful and secure form validation.For better user experience, however, you might consider using client-side validation.
This applies to various cases such as email address, URL, dates, phone numbers and others.
If the information is not in the correct format, users should be informed and correct format should be suggested.
By combining server-side and client-side methods we can get the best of the two: fast response, more secure validation and better user experience.
There are several different types of validation you can perform: required fields, correct format and confirmation fields.
However, not all users know the meaning of an asterisk sign.
Beginners or older users are very likely to have only a general idea of what an asterisk might mean.This design pattern is also often called forgiving format UI design pattern.We’ll discuss some other format techniques later in the article.Ideally, users will fill the web form with necessary information and finish their job successfully. In this article we will go beyond the validation itself and explore different validation and error feedback techniques, methods and approaches. The goal of web form validation is to ensure that the user provided necessary and properly formatted information needed to successfully complete an operation.[Links checked February/10/2017] User’s input can be validated on the server and on the client (web browser).