omarstreak

// create a 2d array
function createGrid(rows, columns) {
    var grid = new Array(rows);
    for(var i = 0; i < rows; i++) {
        grid[i] = new Array(columns);
        for(var j = 0; j < columns; j++) {
            grid[i][j] = 0;
        }
    }
    return grid;

omarstreak

// create a 2d array
function createGrid(rows, columns) {
    var grid = new Array(rows);
    for(var i = 0; i < rows; i++) {
        grid[i] = new Array(columns);
        for(var j = 0; j < columns; j++) {
            grid[i][j] = 0;
        }
    }
    return grid;