This is someone else's code which I'm trying to modify to make it not use global variable. I've been pulling my hair though unable to make this work.

Starting with Easy LeetCode JavaScript Problems. LeetCode sorts its problems into Easy, Medium, and Hard. As a beginner, ...

Community driven content discussing all aspects of software development from DevOps to design patterns. Note, this article deals with client-side JavaScript. For a client and server-side JavaScript ...