#CREDIT CARD VALIDATOR APP HOW TO#
#CREDIT CARD VALIDATOR APP FULL#

Add appropriate coloring to the text field. Check if the current text in the field is а valid card number or not.To do so we will write a simple function that does two things: Next, we want to be able to give real-time feedback to users while they are typing in their card number. We simply need to call the right function and the library will automatically handle text formatting and maximum string length for us: cardNumber.payform('formatCardNumber') Then, using Payform.js, we will turn our basic input fields into specialized input for credit card data.

To kick things off we will define all the jQuery selectors we will need: var owner = $('#owner'),ĬardNumberField = $('#card-number-field'), If it is HTML validation that you are interested in, check out this article. ValidationĪll of the validation we will show here is client side and done exclusively in the JavaScript. Now that we have the needed input fields, we can setup the validation rules. Since we are working with Bootstrap there is a little extra markup, but it helps keep the code organized and the layout responsive. For the expiration date we'll put a combination of two selects with predefined options.īesides that our form will have a heading, a submit button, and images for popular credit card vendors. For the owner, card number, and CVV we will use simple text fields.

Secret code (also known as CVV/CVC/CID)Īll we need to do is create a and add all the required input fields.

Here are the four input fields that every credit card form needs to have: Let's start with the HTML layout! LayoutĪ credit card dialog needs to be simple, short, and straightforward. Now that everything is set up, we can start building our credit card form. All other resources such as the Bootstrap framework, jQuery, and web fonts will be included externally via CDN. js files which we will need to include in our HTML. An overview of the files can be seen below:

#CREDIT CARD VALIDATOR APP FULL#

You can get the full code for this project from the Download button near the top of the article. Here is a sneak-peak of what we will be building in this tutorial: Credit Card Form Demo Unless you know what you're doing, it is best to use the services of a third party payment processor like Stripe or PayPal that stores all payment information for you. You need to be PCI compliant and fulfill a vast number of requirements. Keep in mind that storing credit card data on your servers is serious business.

We'll build the whole thing from scratch, with a little help from Bootstrap 3 for the interface, and Payform.js for client-side form validation.

#CREDIT CARD VALIDATOR APP HOW TO#

In this quick tutorial we will show you how to create a simple credit card form.

Credit card validator app