JAVASCRIPT-BASICS5 MIN READ
Review mutation without sounding dramatic
Give code-review feedback that distinguishes intentional mutation from accidental shared-object mutation.
Ben B teammate learning JS objects 1 Observe 2 Ask intent 3 Offer fix Review moment 20 sec Permission demo PR The PR works locally, but the preview shows a user's role changing before the Save button is clicked. A blunt 'never mutate' comment would miss the teachable mechanism. role changed early names, same object 8m review window
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