Advent of Code 2022 - Assignment8 javascript

Description

This problem is all about walking through a grid. In this solution, we look through an entire column and row until we find a node with height <= height.

References

• https://www.w3schools.com/jsref/jsref_charat.asp
• https://stackabuse.com/javascript-check-if-variable-is-a-number/
• https://www.w3schools.com/jsref/jsref_abs.asp