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练习题2
练习题2
Topic source
console.log("欢迎" + arr.slice(0, arr.length-1).sort().join('，') + "和" + arr.slice(arr.length-1) + "同学！");
- 1
console.log("欢迎" + arr.slice(0, arr.length-1).sort().join('，') + "和" + arr.slice(arr.length-1) + "同学！");
Edwin-荣
var arr = ['小明', '小红', '大军', '阿黄'];
console.log(`欢迎${arr.slice(0,3)}和${arr.slice(3)}同学`)