Validating textarea using javascript

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A function is a piece of code that consists of one or more lines of script.A function can take arguments and can return values.Knowing the limits of client-side scripting helps you decide whether to use client-side form validation.This article explains how to provide client-side validation for forms that you create either by hand or by using the form tools within Front Page.

Both Java Script and JScript are ECMAScript-compliant languages.In addition, this article assumes a general understanding of HTML and Java Script, although a thorough understanding is not required.For more information about HTML and Web scripting, see one or more of the following references.Note Front Page Server Extensions are a set of programs that provide access to special Front Page features, such as database processing, form processing, hit counters, and other built-in Front Page components that require server-side processing.You can provide custom validation for your forms in two ways: server-side validation and client-side validation.

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