What can be more elegant ways to solve the given problem.

        #
       ##
      ###
     ####

**Code:**

    function StairCase(n) {
        for (var i = 1; i <= n; i++) {
            var row = i;
            for(var j = 1; j <= n - row; j++) {
                process.stdout.write(' ');
            }
            for(var j = 1; j <= row; j++) {
                process.stdout.write('#');
            }
            process.stdout.write('\n');
        }
    
    }