DE
Size: a a a
DE
DE
DE
С
DE
СП
users: [
{id: 1, name: "Коля"},
{id: 2, name: "Коля"},
{id: 3, name: "Коля"},
…
];
getUser(id) {
for (let user of users) {
if (user.id===id) {
return user;
}
}
return null;
}
СП
let usersById = {}
for (let user of users) {
usersById[user.id] = user;
}
usersById[id]
?СП
А
А
MH
t
MH
DE
t
MH
DE