TL;DR
- Curated roundup of 17+ JavaScript and React articles from May.
- Topics span React components, Jest mocks, design systems, and selection sort.
- Performance highlights include optimizing CLS and LCP via web.dev guides.
- Covers fundamentals like symbols, events, arrays, SPAs, and a Chrome extension tutorial.
Fact Box
- Roundup features 17+ articles to learn JavaScript in May.
- Flatlogic completed 50+ big projects over the last 6 years. Source
- Flatlogic is listed among Top 20 web development companies in Belarus and Lithuania. Source
- Includes web.dev guide: Optimize Cumulative Layout Shift (CLS). Source
- Includes web.dev guide: Optimize Largest Contentful Paint (LCP). Source
Hey JavaScripters! Today we have articles about selection sort, testing with Jest, React functional components, and many more. Enjoy reading!
About Flatlogic
At Flatlogic, we develop admin dashboard templates and React Native templates. We are listed among Top 20 Web Development companies from Belarus and Lithuania. During the last 6 years, we have successfully completed more than 50 big projects for small startups and large enterprises. As a team, we always have a deep desire to help our clients.

















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