JavaScript Optional Chaining & Nullish Coalescing Explained | Quick Guide

In this quick guide, we’re diving into JavaScript Optional Chaining (?.) and Nullish Coalescing (??)—two powerful features introduced in ECMAScript 2020. These operators help simplify your code by handling null and undefined values gracefully, making your code cleaner and more reliable. By the end, you'll understand how to use these features to avoid runtime errors, apply default values effectively, and write more readable code.

What’s Covered:
- What Optional Chaining (`?.`) is and how to use it
- Practical examples of Optional Chaining in action
- How Nullish Coalescing (`??`) sets accurate default values
- Combining Optional Chaining and Nullish Coalescing for concise code
- Best practices for modern JavaScript development

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Видео JavaScript Optional Chaining & Nullish Coalescing Explained | Quick Guide канала Nicolas LS