Yes, after 28 version is more bad. 27 was better — browser view was live, showing good. Now you open new window, not show live — need close and open again every new window.
[[BLACKLIST]] = ['1', '10', '2', '20', '30'] //список ID
[[RANDOM_NUMBER]] = 30 //случайное число
if ([[BLACKLIST]].indexOf([[RANDOM_NUMBER]].toString()) > -1) {
log('Да, число найдено!')
} else {
log('Нет, число не найдено!')
}