Deep Equal

Challenge summary

Compare JavaScript values recursively so structural equality is distinct from reference equality.

What you'll practice

• Compare primitives, arrays, and plain objects using the correct equality rules.
• Handle special values such as dates, regular expressions, and not-a-number values.
• Reject mismatched keys, lengths, types, and nested values predictably.

What Premium unlocks

Premium unlocks the runnable workspace, behavioral checks, implementation walkthrough, and edge-case discussion.