Payment Request API Part 3: Taxes and Discounts
Today we're going to implement taxes and discounts into our Payment Request API powered checkout process. The code is based on the code we've produced in the previous steps...
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Payment Request API Part 2: Building a Shopping Cart
The first article of this three-part series was about building a very basic checkout process using the Payment Request API. In this article we're going to build a basic shopping cart implementation followed by a Payment Request API powered checkout process...
Payment Request API Part 1: Payment Process Using the Credit Card Payment Method
Thanks to the Payment Request API, accepting payments from your users now is a piece of cake. Albeit support from third party payment processors is still rather limited – Android Pay being one of the most notable – this will very likely change in the near future. Furthermore you don't necessarily need a third party payment provider to integrate directly into the Request Payment API, it is also possible to collect credit card data from the user via the Request Payment API and send them to your payment provider using it's own API...
Dealing with the BrowserStack Parallel Test Limit When Using TestCafe
One problem you might encounter when trying to run cross-browser tests in multiple browsers on BrowserStack with TestCafe is the parallel test limit that depends on your BrowserStack plan. At the time of writing, all regular BrowserStack plans include only one parallel test - which means you can only run one automated test at a time...
Front-End Testing Part 2: Cross-Browser Acceptance Tests with TestCafe, BrowserStack, and npm Scripts
In this article we'll build acceptance tests powered by TestCafe, BrowserStack, and npm scripts. After setting up local testing we configure Travis CI to automatically run our tests after pushing new code to a Git repository...
Front-End Testing Part 1: Writing JavaScript Unit Tests with ava and mock-browser
In this article, we will examine how to write unit tests for JavaScript code that is intended to run in the browser. We will use use ava as our test runner and the mock-browser package to simulate a browser environment...
Building a Responsive Priority+ Horizontal Scroll Navigation
One of the most difficult problems to solve when designing websites that are supposed to work well on small screens is creating user-friendly navigations. For a long time the goto solution was to hide the navigation items behind a hamburger button. Although the hamburger button is still going strong, there are some new approaches coming up and gaining traction...
Building npm Packages with TypeScript
Recently I worked on a couple of npm packages which I built using TypeScript. In the process of figuring things out I encountered some challenges with publishing my code built with TypeScript to npm. In this article I'm going to show you how to setup your project to make publishing your TypeScript powered package to npm a pleasant experience...
Getting Off of Information Addiction (Part 2: News)
Not too long ago not reading the news every day seemed like a silly idea to me. I scanned the latest headlines on my favorite news site at least every couple of hours. I felt obliged to read articles about important political topics but even more I was addicted to read the comments beneath the articles...
What I’ve Learned from Rewriting an Open Source Project from Scratch
A few months ago I started learning more about TypeScript. It was very refreshing and I learned a lot about type-based programming in general. So I was overcome by the natural urge of every programmer who is learning a new technique that they enjoy: I wanted to rewrite everything I ever built with TypeScript...