将一维数组转换为二维数组JavaScript

function convertTo2DArray(arr, rowLength) {
  let result = [];
  for (let i = 0; i < arr.length; i += rowLength) {
    result.push(arr.slice(i, i + rowLength));
  }
  return result;
}

// 示例用法
let oneDimensionalArray = [1, 2, 3, 4, 5, 6];
let twoDimensionalArray = convertTo2DArray(oneDimensionalArray, 3);
console.log(twoDimensionalArray); // 输出: [[1, 2, 3], [4, 5, 6]]

function convertTo2DArray(arr, rowLength) {
  let result = [];
  for (let i = 0; i < arr.length; i += rowLength) {
    let row = arr.slice(i, i + rowLength);
    if (row.length < rowLength) {
      row.length = rowLength; // 填充空值或其他默认值
    }
    result.push(row);
  }
  return result;
}