JavaScript Lecture 13: Sets in JavaScript (Set Methods & Practical Examples)
JavaScript Lecture 13: Sets in JavaScript (Set Methods & Practical Examples)
Welcome to JavaScript Lecture 13: Sets!
In this lecture, you will learn about Sets in JavaScript—a special data structure that stores unique values only. Sets are useful when you want to remove duplicate values or manage collections of unique data.
This lesson is designed for beginners and students, with simple explanations and practical coding examples.
Topics Covered in This Lecture:
What is a Set in JavaScript?
Creating a Set
Adding and deleting values (add(), delete())
Checking values (has())
Set size property
Clearing a Set (clear())
Looping through Sets
Removing duplicate values using Set
Real-world examples and common mistakes
📌 After this lecture, you will confidently use Sets to handle unique data efficiently in JavaScript applications.
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