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Solution: Check if One String Swap Can Make Strings Equal

Explore how to check if two strings can be made equal by performing at most one swap on one string. Learn to track character differences and apply efficient comparisons to solve this problem in JavaScript.

Statement

You are given two strings s1 and s2 of equal length. A string swap operation allows you to choose two indices in a string (not necessarily different) and swap the characters at those indices.

Determine whether it is possible to make the two strings equal by performing at most one string swap on exactly one of the strings. Return TRUE if this is possible, and FALSE otherwise.

Note: The swap is performed on exactly one of the two strings, and you may choose to perform zero or one swap.

Constraints:

  • 11 \leq ...