МА
Size: a a a
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const data = new Map([
[teamId1, new Set([userId1, userId2])],
[teamId2, new Set([userId3, userId4])]
]);
KS
R
const data = new Map([
[teamId1, new Set([userId1, userId2])],
[teamId2, new Set([userId3, userId4])]
]);
KS
if ( gata.has(teamId1) )data.get(teamId1).set(userId3);
else data.add(teamId1, new Set([userId3]);
ДУ
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