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                                            十六

Day194:`var arr =[['A','B'],['a','b'],[1,2]]` 求二维数组的全排列组合结果：Aa1,Aa2,Ab1,Ab2,Ba1,Ba2,Bb1,Bb2

```js const arr = [ ['A', 'B'], ['a', 'b'], [1, 2], ]; const totalOrdering = (arr) => { return arr.reduce((acc, curr) => { let nextAcc = []; acc.forEach((item) => {...

十六

Day194:`var arr =[['A','B'],['a','b'],[1,2]]` 求二维数组的全排列组合 结果：Aa1,Aa2,Ab1,Ab2,Ba1,Ba2,Bb1,Bb2

Day194:`var arr =[['A','B'],['a','b'],[1,2]]` 求二维数组的全排列组合结果：Aa1,Aa2,Ab1,Ab2,Ba1,Ba2,Bb1,Bb2