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Validating email address form

In addition, each of the fields should have a unique name.Use the following table to assign names to all of your form elements.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.(16 printed pages) Introduction Getting Started Writing the Validation Script Connecting the Form to the Script Associating Form Fields with Custom Script Code Listing Conclusion When you create forms, providing form validation is useful to ensure that your customers enter valid and complete data.For example, you may want to ensure that someone inserts a valid e-mail address into a text box, or perhaps you want to ensure that someone fills in certain fields.In this table, Element refers to the name of the HTML element for the form field, Type refers to the value of the type attribute for the form field, and Label refers to the text to the left of the form field. Form code updated with name attribute values Now that you have assigned names for the form and form fields, you are ready to start writing the script that handles the validation for the fields. If you are typing the Java Script code in this article manually and receive errors, you should check that all casing is the same as shown in this article.

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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.

Note Front Page Server Extensions are a set of programs that provide access to special Front Page features, such as database processing, form processing, hit counters, and other built-in Front Page components that require server-side processing.

You can provide custom validation for your forms in two ways: server-side validation and client-side validation.

Because the code is stored within the page or within a linked file, it is downloaded into the browser when a user accesses the page and, therefore, doesn't require a roundtrip to the server.

For this reason, client form validation can be faster than server-side validation.

430 comments

  1. Apr 30, 2010. Inspired by discussion in url test cases.

  2. Our real-time email validation solutions will maximize the value of your email marketing campaigns. By leveraging a real-time email validation solution, you can be certain every email entered into your database is accurate and up-to-date. With trustworthy email data, you can have the confidence that the right customers, are.

  3. Mar 29, 2013. This is a code snippet for basic JavaScript to validate email address using a regular expression. This is building on my previous post on how to use regular expressions with jQuery. You can also load the code in jsfiddle below. Update 12/05/13 Separated into versions for testing.

  4. Hi All I am using a standard Rapidweaver Contact form. While it does send messages, it does not validate email addresses. Is it supposed to? I would be happy with just a simple string validation test if there is a @

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