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javascript get diagonals of array

Code Eater answered on May 22, 2022 Popularity 8/10 Helpfulness 3/10

answer javascript get diagonals of array

javascript get diagonals of array

Comment

function getDiagonals(grid) {
    let result = [];
    let Ylength = grid.length;
    let Xlength = grid[0].length;
    let maxLength = Math.max(Xlength, Ylength);
    let temp;
    for (let k = 0; k <= 2 * (maxLength - 1); ++k) {
        temp = [];
        for (let y = Ylength - 1; y >= 0; --y) {
            let x = k - y;
            if (x >= 0 && x < Xlength) {
                temp.push(array[y][x]);
            }
        }
        if (temp.length > 0) {
            result.push(temp);
        }
    }
  
  return result;
}

Popularity 8/10 Helpfulness 3/10 Language javascript

Source: stackoverflow.com

Tags: get javascript

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