Validating form data using javascript

Each field in the form can have zero one or more validations. More info & downloads where Do My Validation One() and Do My Validation Two() are custom functions for validation.

For example, you can have an input field that should not be empty, should be less than 25 chars and should be alpha-numeric. In some dynamically programmed pages, it may be required to change the validations in the form at run time.

The purpose of a form validation script is to return a boolean value ('s to reference form fields, but that can lead to namespace conflicts and why make things more complicated than necessary.

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In other words if the first condition fails, the second condition will not be tested and so forth.Form validation helps us achieve these goals — this article tells you what you need to know.This is called form validation — when you enter data the web application checks it to see if it is correct.The zip file contains the javascript file, examples.The script has a catalog of almost all the common validation types built-in.

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