liuxu321

#1 Created at ... [Delete] [Delete and Lock User]

alert(arr.sort().slice(0,3).join(',')+'和'+ arr.sort().slice(arr.length-1,arr.length));

liuxu321

#2 Created at ... [Delete] [Delete and Lock User]

alert('欢迎'+arr.sort().slice(0,3).join(',')+'和'+ arr.sort().slice(arr.length-1,arr.length)+'同学');


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