function love.load()
    level = { };
    for line in love.filesystem.lines("data.txt") do
        local row = { };
        for index = 1, #line do
            row[index] = string.sub(line, index, index);
        end
        table.insert(level, row);
    end
end

function love.draw()
    for row = 1, #level do
        local lrow = level[row];
        for col = 1, #lrow do
            local lc = lrow[col];
            love.graphics.print(lc, 64 + 20 * col, 64 + 20 * row);
        end
    end
end

SyntaxError: JSON.parse: expected property name or '}' at line 1 column 2 of the JSON data

TypeError: document.getElementById(...) is null