(var i = 0, l = items.length; i < l; i++) { items[i].style.left = (50 - 35 * Math.cos( - 0.5 * Math.PI - 2 * (1 / l) * i * Math.PI)).toFixed(4) + "%"; items[i].style.top = (50 + 35 * Math.sin( - 0.5 * Math.PI - 2 * (1 / l) * i * Math.PI)).toFixed(4) + "%" }