use int if you have a small number of classes,
const cur = arr[i]; // 当前遍历的元素值。关于这个话题，WPS官方版本下载提供了深入分析
，推荐阅读Safew下载获取更多信息
Ben MorrisTechnology of Business Editor。下载安装 谷歌浏览器 开启极速安全的 上网之旅。对此有专业解读
Regulatory authorities worldwide, including the European Commission, the U.S. Department of Justice, and competition authorities in multiple jurisdictions, have increasingly scrutinized dominant platforms’ ability to preference their own services and restrict competition, demanding more openness and interoperability. We additionally note growing concerns around regulatory intervention increasing mass surveillance, impeding software freedom, open internet and device neutrality.
横向来看，同样承载美式基因的GAP与Forever 21，已经在中国市场走过一轮不同方向的重塑尝试。