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javascriptJavaScript's Memory Management ExplainedEven though the JavaScript engine manages memory for us, it's good to know what happens under the hood. Read in Chinese or Korean Most of the time, you can probably get by fine not knowing anything about memory management as a JavaScript developer. Afterall, the JavaScript engine handles this for you. At one point or another, though, you'll encount

javascriptpwaPWA Update Notification with Create React AppLearn how to trigger update notifications that ensure that your users are using the latest version of your Progressive Web App. Watch my PWA online course 📹You can now watch my course on how to turn your React app into a PWA on Skillshare. Learn what you need to know to get started, and turn your React app into a PWA in just 10 minutes. Wa

pwaperformanceService Worker Lifecycle ExplainedExplaining the lifecycle of Service Workers in PWAs and how to update them as fast as possible. The Service Worker lifecycle is arguably the most complex part around Service Workers and Progressive Web Apps (PWAs). I only felt like I understood it completely while writing this article, and I hope it will make your life with Service Workers a lot easi

performancereactWhen does React re-render components?React re-rendering explained and how to optimize React's re-render performance React is known for providing a fast user experience by only updating the parts of the UI that have changed. When looking into React's render performance, there are a few terms and concepts that can be hard to understand. It wasn't 100% clear to me what a VDOM was or h

performancejavascriptMeasuring the Performance of JavaScript FunctionsStart measuring your JavaScript function's performance with these APIs and learn how to use them. Measuring the time it takes to execute a function is always a good idea to prove that some implementation is more performant than the other. It's also a good way to ensure that performance didn't suffer after some change and to trac