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who needs to check what EcmaScript mandates Array.protoype.sort() to be stable? Not me:
arr.sort((a,b) => (a.order - b.order) || a.name.localeCompare(b.name))
who needs to check what EcmaScript mandates Array.protoype.sort() to be stable? Not me:
arr.sort((a,b) => (a.order - b.order) || a.name.localeCompare(b.name))