Part-4: Inserting Array Elements
on channel: BeAGoodDev
Want to insert elements into an array without using built-in methods like push(), unshift(), or splice()? In this tutorial, we break down 3 fundamental techniques to manually insert elements at different positions:
1️⃣ Insert at the Beginning – Shift elements right
2️⃣ Insert at Index i – Add an element at any position
3️⃣ Insert at the End – Expand the array logically
🔹 Why This Matters?
✔ Master low-level array manipulation
✔ Strengthen problem-solving for coding interviews
✔ Understand how arrays work behind the scenes
🔹 Pure JavaScript Implementation (No native methods used!)
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💬 Challenge: Can you optimize insertion further? Comment your approach!
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