摘要: //方法一: var obj = { a:1, b:2, c:3 }; obj[Symbol.iterator] = function(){ var keys = Object.keys(this); var count = 0; return { next(){ if(count<keys.len 阅读全文
posted @ 2020-04-13 12:40 dnoyeb 阅读(1593) 评论(0) 推荐(0) 编辑