例如,我有一个let数组arr = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12].我希望从索引5到最后一个得到值,其余的我想把它扔掉.对此有何想法？先感谢您.
arr = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12]
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