function to2DArray(arr, subArrayLength) {
return Array.from({ length: Math.ceil(arr.length / subArrayLength) }, (_, i) =>
arr.slice(i * subArrayLength, i * subArrayLength + subArrayLength)
);
}
// 示例
const oneDArray = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12];
const twoDArray = to2DArray(oneDArray, 4);
console.log(twoDArray);
// 输出: [[1, 2, 3, 4], [5, 6, 7, 8], [9, 10, 11, 12]]
js将一维数组转换为二维数组
最新推荐文章于 2025-04-20 23:17:55 发布