JavaScript - 40 -part- 2 | Real-World JavaScript: Combining includes() & lastIndexOf() | JS Tutorial скачать в хорошем качестве

JavaScript - 40 -part- 2 | Real-World JavaScript: Combining includes() & lastIndexOf() | JS Tutorial

Description: Stop writing complex loops to find data in your arrays! 🛑 In this episode, we explore a practical, real-world scenario where combining includes() and lastIndexOf() saves the day. We aren't just looking at syntax; we are looking at logic. Learn how to check for the existence of an item and verify its position from the end of your list to handle duplicates or recent user activities efficiently. In this video, you will learn: ✅ How the includes() method verifies data existence. ✅ How lastIndexOf() finds specific index positions. ✅ Real-world use case: Creating a robust search logic. ✅ How to write cleaner, more readable JavaScript code. SUPPORT THE CHANNEL: 👍 If this video helped you, please LIKE and SUBSCRIBE! 💬 Got a question? Ask in the COMMENTS below! 🔔 Hit the BELL icon to get notified when I post new tutorials. #uidhtml #javascript2025 #learnjavascript2025 #javascripttutorials #websitedesign #JavaScript #NewArray #JSTutorial #JavaScriptArrays #WebDev #JSTutorial #WebDevelopment #frontendtips #JavaScriptArrayMethods #includes #lastindexof chapter - 40 -    • JavaScript - 40 | Stop Wasting Time ❌How t...   chapter - 41 -    • JavaScript - 41 | Stop Using filter() for ...   Github Repo: https://github.com/uidhtml/javascript...