Day 2 β JavaScript Closure Counter in One Line | LeetCode 2620 π₯
Notes
Welcome to Day 2 of our 30 Days of JavaScript challenge! π
In this video, we solve LeetCode 2620 β Counter, where we use closures to create a stateful function that keeps track of a running count.
π What Youβll Learn in This Video:
β
How to create private variables with closures
β
Returning stateful functions in JavaScript
β
Post-increment vs pre-increment nuance
β
Real-life uses of counters in web apps
π LeetCode Problem:
https://leetcode.com/problems/counter
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