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Of course, all the standard validation configuration steps still apply. Client-side validation uses the same validation rules as server-side validation. If server-side validation doesn't work, then client-side validation won't work either.

Not all validators support client-side validation. Only validators that implement ScriptValidationAware support this feature. Refer to the list of WebWork validators to see which ones do so.

Note that the "required" attribute on many WebWork UI tags has nothing to do with client-side validation.

Upgrade Alert: This feature was introduced in WebWork 2.1. If upgrading from a previous version, make sure you are using the correct validators in validators.xml. You must be using the com.opensymphony.webwork.validators.JavaScriptRequired*Validator version of the standard XWork validators.

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