Validating javascript

Lisa Wollin Microsoft Corporation May 2004 Applies to: Microsoft® Office Front Page® 2003 Microsoft Front Page 2002 Microsoft Front Page 2000 Summary: Learn how validate HTML form fields using Java Script in Microsoft Office Front Page 2003.

(For more information on how to create form validation using the Front Page form feature, see About creating forms in Front Page 2003.) However, if the form validation provided in Front Page does not suit your needs or the site on which you are working is hosted on a server that does not have Front Page Server Extensions from Microsoft installed, you may need to create custom form validation.Sending data back and forth between the client and server can cause some delays.However, for some form functions, server-side validation is necessary.Now that the input from both sides was coerced to the same type from the same original value, you would think they should always be the same (always true).However, there's a special rule that says , and so a value that can't be converted to a number (and only values that cannot be converted to numbers) will result in false.

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