which implementation of fibonacci should be faster in javascript?

// A sequência começa com 0 e 1, depois,
// os números subsequentes são compostos
// pela soma dos dois números anteriores
// da sequência. Daí:
// (x - 2) + (x - 1) = próximo número da sequência
function fibonacci(n) {
	const list = [0, 1];
	for (let x = 2; x < n + 1; x += 1) {
		list.push(list[x - 2] + list[x - 1]);
	}
	return list[n];
}

console.log(fibonacci(4));

4
2

                                    var looping = function(n) {
    var a = 0, b = 1, f = 1;
    for(var i = 2; i &lt;= n; i++) {
        f = a + b;
        a = b;
        b = f;
    }
    return f;
};

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