
31. How to Insert Nodes in Singly Linked List | Step-by-Step Explanation | Master DSA in JavaScript
In this video, we’ll explore how to insert nodes in a singly linked list — a fundamental operation in data structures and a favorite in coding interviews.
Whether you're inserting at the beginning, middle, or end of the list, understanding this concept is crucial for mastering linked lists. We'll break it all down in a clear, beginner-friendly way with visual explanations and hands-on coding.
🚀 What You’ll Learn:
✅ Why insertion is important in linked lists
✅ Different insertion scenarios:
• Insert at the head
• Insert at the tail
• Insert at a specific index
✅ Step-by-step logic and pointer manipulation
✅ JavaScript implementation
✅ Edge cases & input validation
📘 Concept Covered:
This tutorial walks through inserting nodes into a singly linked list using clean, easy-to-follow code and diagrams that help you visualize what's happening at each step.
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