Shallow Object Diffs

Very HardObjectsPRO

Practice JavaScript object diffing by comparing two records into added, removed, changed, and unchanged buckets. This very hard exercise focuses on the union of keys, reference equality, and reporting changes without mutation.

What you'll practice

Work with JavaScript object diffing by comparing two records into added, removed, changed, and unchanged buckets
The union of keys
Reference equality
Reporting changes without mutation

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