When it comes to front-end development, understanding the DOM is crucial. However, this topic can be pretty confusing for beginners, especially due to the complicated lexicon. “Shadow DOM vs. virtual DOM,” for instance, is quite a common confusion among developers, especially junior ones. In short, the shadow DOM is a browser technology whose main objective…
Month: December 2021
Today’s web applications are more complicated than ever. Libraries like React have opened up a whole new world of application complexity and functionality. As an experienced developer, you know that it’s important to test every part of your web application. You probably already have a plan for testing your server’s code. That’s great! But it’s…
As developers, you are probably familiar with this scenario: you went over a code review with another developer (which you do, right?), pushed the latest fixes, ran a couple of tests by yourself, and with a big smile upon your face, you sent a message to the QA guy, Joe (a generic name for a…
Software developers need faster feedback to fix bugs when they are less expensive to correct. One strategy for providing earlier feedback is to shift testing earlier in the process (shift-left). Teams can detect and fix bugs with the least impact by running unit, integration, and E2E UI tests as early as possible. There’s a second…