Validating checkbox javascript

Posted by / 14-Aug-2020 09:29

In addition, each of the fields should have a unique name.Use the following table to assign names to all of your form elements.Server-side validation incorporates code validation into a form handler. NET application on the server that provides the functionality that your form needs for processing after a customer has submitted it.Because the code is stored on the server, server-side validation requires a roundtrip to the server.However, client-side validation may not work in all instances.A user may have a browser that doesn't support client-side scripting or may have scripting disabled in the browser.The action attribute tells the browser what to do when a user submits the form.If you want to test this form, change this e-mail address to your own e-mail address.

(For more information on how to create form validation using the Front Page form feature, see About creating forms in Front Page 2003.) However, if the form validation provided in Front Page does not suit your needs or the site on which you are working is hosted on a server that does not have Front Page Server Extensions from Microsoft installed, you may need to create custom form validation.

Important JScript is Microsoft's implementation of ECMAScript, as defined by the specification of the European Computer Manufacturers Association.

Both Java Script and JScript are ECMAScript-compliant languages.

In order to access your form fields in code, you need to assign names to the form and each of the fields. For more information see, NAME Attribute | name Property.

You may assign any name you want that is composed of alphanumeric characters (without spaces), but to make writing the code easiest, you should provide a useful, friendly name for each of the fields.

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