new Array() vs [] for known length

const x = [];
	x[0] = 0;
	x[1] = 0;
	x[2] = 0;
	x[3] = 0;
	x[4] = 0;
	x[5] = 0;
	x[6] = 0;

const x = new Array(7);
	x[0] = 0;
	x[1] = 0;
	x[2] = 0;
	x[3] = 0;
	x[4] = 0;
	x[5] = 0;
	x[6] = 0;