题型：问答题 标签：数组
题目：
var aShift = ["a", "b", "c"];
console.log(" 返回："+aShift.shift()+"，shift 后数组："+aShift);
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var aShift = ["a", "b", "c"];
console.log(" 返回："+aShift.shift()+"，shift 后数组："+aShift);
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