08 2018 档案

摘要:var arr = [2,4,6,8,10,12,14,16,18,20]; for (var i = 0; i < arr.length; i++) { console.log(arr[i]); } for(var i in arr){ console.log(arr[i]); } arr.for 阅读全文
posted @ 2018-08-13 22:04 jentary 阅读(214) 评论(0) 推荐(0) 编辑

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