摘要: let nameSub = "xx"; //类型推论 let title: string; //类型注解 // nameSub = 2; // title = 4; title = "TS"; // 数组类型 let names: string[]; names = ['tom','mary']; 阅读全文
posted @ 2020-02-19 22:14 极客小乌龟 阅读(200) 评论(0) 推荐(0)