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<?php let users = [ { name: "Вася", age: 20, surname: "Васильев" }, { name: "Катя", age: 18, surname: "Петрова" }, { name: "Анна", age: 19, surname: "Ли" } ]; function byField(field) { return (a, b) => a[field] > b[field] ? 1 : -1; } users.sort(byField('name')); users.forEach(user => alert(user.name)); users.sort(byField('age')); users.forEach(user => alert(user.name));
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