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Confused about how to check data types in JavaScript? In this beginner-friendly tutorial, you’ll learn how to use the typeof operator in JavaScript to accurately identify the type of any variable or value.
We’ll explore how typeof works, its most common use cases, and some unexpected results to watch out for — like why typeof null returns "object"!
🧠 In this video, you’ll learn:
What is typeof in JavaScript?
How to use typeof to check data types
Common data types returned by typeof
Why typeof null is “object”
Best practices for checking variable types
This video is perfect for JavaScript beginners, students, and aspiring web developers. Knowing how to check data types is essential for debugging, validating input, and writing error-free code.
🎯 Don’t forget to subscribe and check out our JavaScript Tutorials Playlist for more easy-to-understand coding lessons!
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2025/07/06
youtube
