Validating a checkbox in javascript

If you skip the messages parameter, the plugin will display default, auto-generated messages.However, You should always customize the validation error messages.Then it's time for accessing the form elements and the specific syntax for accessing the user defined value of form elements.See also Jeff Howden's excellent article Forms & Java Script Living Together in Harmony for some of the most common usability errors and their solutions.When there are many fields in the form, the Java Script validation becomes too complex.The Java Script class presented here makes the form validations many times easier.

On this page I discuss the limitations of using Java Script to check a form, then I'll explain the onsubmit event handler, followed by the few methods and properties of the form itself.

First of all, you should have a clear idea of what happens when a user submits a form that has a Java Script validation script: : by the Java Script and by the CGI script.

The CGI check always works, since CGI is server side.

However, the process for evaluating and warning the user of problems is less than user-friendly (although we were left with no alternatives when handling Internet Explorer checkbox validation).

The Domino field validation process requires a server hit to run the formula.

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