Article

jQuery checking for empty form fields

In every html form you want to prevent your visitors from continuing to the next stage if certain fields have not been filled in. The smartest way is to let jQuery handle this so that you do not need to refresh the page. Simply do it all on the fly. The easiest way to check […]

posted in: Checkout jQuery Tutorials

Date posted: 2 February, 2014

Article

Validating credit cards with javascript using Luhn Algorithm

Validating credit cards are done using the Luhn Algorithm, this algorithm is a simple check-sum based on multiples of 10’s also known as modulus 10. The algorithm only checks for wrong number combinations. This does not verify if the credit card is real. You can look at it as a pre validation process for when […]

posted in: Checkout jQuery Tutorials

Date posted: 30 January, 2014

Article

Validating telephone numbers using jQuery

In today’s article I will be delving into validating the telephone numbers on the fly using jQuery. We will cover to allow numbers only, setting a range of numbers and also having the input field activate the number keyboard on the mobile device. Step 1 : adding the input field We will first add our […]

posted in: CSS HTML jQuery Mobile PHP Tutorials

Date posted: 28 January, 2014

Article

Building a mobile checkout, validating email address (Part 3 of 8)

Today I will explain to you how to quickly process the email input field validation process using jQuery. We use jQuery instead of PHP validation as it is much quicker. Other articles related to building a mobile checkout. Part 1 : The basics on how to build a mobile checkout Part 2 : How to visually styling a […]

posted in: CSS HTML jQuery Mobile PHP

Date posted: 12 January, 2014

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