摘要: 话不多说,上代码: 1: let s = 'Hello word' 2: let str = new String('Hello word') 3: s.num = 12 4: s.num = 12 5: console.log(s.charAt(1), str.charAt(1)) // e e 阅读全文
posted @ 2021-10-23 16:02 庐陵猿客 阅读(186) 评论(0) 推荐(0)