js 多维数组转换问题?-灵析社区

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let arr=[ [1,3,5], [7,9,12] ]; 转换为 let newArr=[ [1,7], [3,9], [5,12] ]

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let arr = [ [1, 3, 5], [7, 9, 12] ]; let newArr = arr[0].map((_, i) => arr.map(row => row[i])); console.log(newArr);