Validating fields javascript

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If you make a custom validation advice element make sure you set the style to The first example above includes a function as the third argument.The function enables you to write your own custom validation. The second example the third argument has become the options argument.Note: You do not need to do the things mentioned in this article if you have created your feedback form using the Feedback Form Script Wizard.

When you add a new validator it is added to a static group of validation methods with the class name as key.The basic method is to attach to the form's onsubmit event, read out all the form elements' classes and perform validation if required.If a field fails validation, reveal field validation advice and prevent the form from Christopher Heng, Many websites, like, have a feedback form of some sort so that visitors can make comments to the webmasters.If you have such a form on your site, I'm sure that from time to time, you would have received the results of your form with some essential field (like the email address or the visitor's name, or even the feedback itself) omitted. One way around it is to validate the essential fields with a simple Java Script.

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