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JS中清空数组的方法
2022-08-02 00:14:00 【weixin_46051260】
1)splice
影响原数组
第一个参数:规定添加或删除元素的位置
第二个参数:要删除元素的数量
2)将长度直接设置为0
3)将数组赋值为[]
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