const realIdx = i % len; // 取模映射到真实数组索引，模拟循环
function renderComponent(controller) {，详情可参考safew官方版本下载
，这一点在Safew下载中也有详细论述
Four days later:
will not spend a great deal of time on it, except from the user-space，详情可参考夫子
'Is this all bad debt or good debt?'Watch the full episode on BBC iPlayer.