const users = [
	{
		name: "Tayfun Erbilen",
		age: 27
	},
	{
		name: "Mehmet Seven",
		age: 27
	},
	{
		name: "Batuhan Aydın",
		age: 28
	}
];

const filtered = users.filter(user => user.age === 27);
console.log(filtered);