Modern JavaScript Features Every Dev Should Use
New JavaScript features are landing fast — and most developers are still writing 2019-style code. In this video I break down the newest JavaScript (ES2024 / ES2025) features with simple, real-world examples you can use in your projects today.
We cover the modern JavaScript syntax and built-in methods that make your code shorter, safer, and faster — no libraries, no polyfills, just plain JS running in modern browsers and Node.js.
⏱️ WHAT YOU'LL LEARN
✅ New Set Methods (ES2025)
✅ Iterator Helpers (ES2025)
✅ Promise.try (ES2025)
✅ Import Attributes (ES2025)
✅ RegExp.escape (ES2025)
✅ Array.fromAsync (ES2026)
✅ Error.isError (ES2026)
✅ Map.getOrInsert (ES2026)
✅ Math.sumPrecise (ES2026)
✅ Explicit Resource Management (ES2027)
✅ Temporal (ES2027)
🎯 WHO THIS IS FOR Frontend developers, backend Node.js developers, students preparing for JavaScript interviews, and anyone who wants to write clean, modern JavaScript in 2026
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Timestamps:
00:00 - Introduction
02:08 - New Set Methods (ES2025)
06:42 - Iterator Helpers (ES2025)
10:40 - Promise.try (ES2025)
12:25 - Import Attributes (ES2025)
12:58 - RegExp.escape (ES2025)
14:02 - Array.fromAsync (ES2026)
15:20 - Error.isError (ES2026)
16:36 - Map.getOrInsert (ES2026)
17:55 - Math.sumPrecise (ES2026)
18:54 - Explicit Resource Management (ES2027)
21:02 - Temporal (ES2027)
💬 Which new JavaScript feature is your favourite? Tell me in the comments — and tell me which one you had never heard of before!
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#javascript #webdevelopment #coding #es2025 #programming #frontend #javascripttutorial
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