ValeriiVasin

var color, i;

// Notice: octal literals are not allowed in strict mode.
function colorize(color, output) {
    return ['\033[', color, 'm', output, '\033[0m'].join('');
}

for (i = 0; i < 100; i += 1) {
    color = Math.random() > 0.9 ? 91 : 92; // 91 - red, 92 - green
    process.stdout.write( colorize(color, '●') );