Learn about 19 common JavaScript and Node.js mistakes that can slow down performance, like excessive DOM access, poorly scoped events, blocking the main thread,

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We&apos;re spotlighting the top 19 performance pitfalls that can secretly slow down JavaScript and Node.js apps. We'll explore what causes them through illustrative examples and actionable solutions to optimize your code. The good news?

Is Your Code Slow?: Avoid These 19 Common JavaScript and Node.js Mistakes

Great article, I’ve found many of these common mistakes in many projects. One I find useful is caching, it improves speed.

Be careful with #2.
document.createElement and .textContent will automatically escape your input so it is way safer to use against XSS then .innerHTML

Great article ! I’ve found some mistakes i was making in my personal projects.