Solution to Sub-task: Checking if an index is already visited
Understand how to prevent revisiting the same index during JavaScript array traversal by maintaining and checking a visited array. This lesson guides you through implementing a function that efficiently detects previously visited indices, which is essential in solving traversal problems and algorithms.
We'll cover the following...
We'll cover the following...
Checking if an index is already visited
Sometimes while traversing we visit the same indices again and again. To prevent this, we maintain an array of all visited indices and refer back to it. To assist ...