Don't Rely on Client-Side Validation

Client-side form field validation makes for a great user experience, but don’t ever rely on it. Older browsers, connection problems, disabled browser options, and other situations could prevent your script from executing – and without script execution you have no validation. So, use client-side scripting, but never rely solely on it – always perform server-side validation as well when the FORM is submitted. (Applies to: ColdFusion All)

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