单项选择题
下面代码中两处的输出结果分别是?()
A.undefined,["a","b","d"]
B.["c"],["a","b","d"]
C."c",["a","b","d"]
D."d",["a","b"]
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单项选择题
下面代码中两处的输出结果分别是?()
A.undefined,["a","b","d"]
B.["c"],["a","b","d"]
C."c",["a","b","d"]
D."d",["a","b"]
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