Page History

...

<ww:form name="'test'" action="'javascriptValidation'" validate="true">

  ...
</ww:form>

The parameter required="true" for the previously included JavaScriptRequired validator must be applied to the tag
you want to validate with JavaScript:

...

  <ww:textfield label="'Required String'" name="'requiredString'" required="true"/>

Of course, all the standard validation configuration steps still apply. Enabling Client-side validation uses the same validation rules as server-side validation.

Note that the "required" attribute on many WebWork UI tags has nothing to do with client-side validation will produce (harmless) scripting errors if not configured properly.

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.

Building a Validator that supports client-side validation

...