Clangman
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Clangman
const arr1 = ['a', 'b',[1,2]]; const arr2 = ['c']; const arr3 = [...arr1,...arr2] arr[1][0] = 9999 // 修改arr1里面数组成员值 console.log(arr[3]) // 影响到arr3,['a','b',[9999,2],'c'] 改成 const arr1 = ['a', 'b', [1, 3]]; const...