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Credit card validator javascript how to#
Credit card validator javascript pdf#
Credit card validator javascript code#

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Credit card validator javascript code#

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Credit card validator javascript pdf#

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Credit card validator javascript how to#

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Test the form to verify that it works as you intended.Īs a best practice, verify that you test the form in a service in a test environment before you use the form and the service in a production environment.

Finish creating the form to meet your requirements.

If (ca_fdIsSelectRadio('ccValdtnForm1', 'rgCCVal', 'mcard'))Īs a best practice, use the Script dialog on each form to create and maintain the custom JavaScript functions for the form.

Use the Script dialog to add the following function definition:.

For the value of the JavaScript attribute named onvalidate, specify cc_val(_val).

For the _id attribute, specify a meaningful name, such as ccf.

Rename "Radio" to a meaningful name, such as Visa.

For the _id attribute, specify a meaningful name, such as visa (signifying Visa radio group option), and save the form.

Rename "Radio" to a meaningful name, such as Master Card.

For the _id attribute, specify a meaningful name, such as mcard (signifying Master Card radio group option), and save the form.

Add the first radio group option these options are elements of a form that apply only to radio groups.

Rename "Radio Group" to a meaningful name or phrase, such as Select a Credit Card or Credit Card Type.

For the value of the _id attribute of the radio group, specify a meaningful name, such as rgCCVal, and save the form.

Add a radio group it is one of the elements of a form.

Verify that the value of the form's HTML Attribute named _id specifies a meaningful name, such as ccValdtnForm1.

Design and create the form, if you have not already done so.

These steps use a continuing example for illustration. To verify the credit card numbers entered by users, follow these steps. Each company sets its own standard format.

This JavaScript function verifies the format according to the specifications set by the company issuing the credit card. You use the pre-defined JavaScript function named ca_fdValidateCC( number, ' type') to validate the format of the credit card number entered by the user, based on the credit card type that the user selected.

Each account number field is disabled by design but is enabled if the user selects the matching credit card type. For each type, you create a radio group option and a text field for the account number. This topic explains how to present two credit card types: Master Card and Visa. Note: You can also use regular expressions to validate the format of credit card numbers and other kinds of commonly requested data, such as social security numbers, email addresses, phone numbers, and so forth. This process does not authenticate the data entered by the user but does assist in the validation process by verifying the format. This topic explains how to configure Form Designer forms to use a JavaScript function to verify that users entered a credit card number in the correct format for the credit card type that they specified. Using the Form Designer › How to Use JavaScript Functions in Fields › How to Validate User Input › How to Use a JavaScript Function to Validate the Format of Credit Card Numbers How to Use a JavaScript Function to Validate the Format of Credit Card Numbers