JavaScript Masterclass - Zero to Job-Ready with Hands-On Projects - Id and Classes

The lecture explains the use of classes and IDs in HTML for providing unique and general identities to elements. IDs are unique and cannot be repeated, while classes can be used multiple times for generalization. The video demonstrates how to apply these concepts in CSS and JavaScript for styling and functionality. It emphasizes the importance of understanding these concepts for web development and introduces the next topic of HTML semantics.

What new insight or understanding did you gain from this video?

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