coupon.js

const coupons = [
'211YAZPV',
'RFKOPVEC',
'V7RVT821',
'Y8JCMS8C',
'HLQQFICP',
'KYX21F45',
'PZ9NFMR0',
'EH3J5GZ0',
'ICAVC220',
'KR07ROG6',
'CVKE24LJ',
'P7N7VN1K',
'1S8RW3ZS',
'NF91A7RF',
'OKUDRLR2',
'RHX88X4E',
'MWI4X5H2',
'69LUU7C1',
'4DF90S5M',
'X6TEHKJK',
'WHZIMD1W',
'UZ4RZIVD',
'EM9ZLJPI',
'FV4ZRSTB',
'ODYDUL19',
'CJEN26UC',
'JA3EPI6R',
'D5NXOHUD',
'YLEEA6US',
'4B4M6K0D',
'9DF8SZD5',
'9CNL14BD',
'AJU4SXGR',
'01FC361Q',
'T4PSNWU4',
'RFDMKQ3Q',
'EK1LZV1Z',
'26ROYQ87',
'P5CTZ942',
'RHR39M0S',
'K2LCM4IA',
'FFPWATZR',
'L90NK6XS',
'OVRD8MBK',
'NZ89OVOZ',
'ONB76S1F',
'CNRV0XO5',
'7M188RPK',
'TDJOJW4E',
'MCYQ7XMV',
'NPIEG2DP',
'OE3C9B91',
'RWD1FM26',
'6ZQQ41VX',
'CAJV8LJC',
'GVTTOH5O',
'LRLDAPKS',
'8QUQD2HJ',
'5N5PYVAE',
'FI49MDE0',
'O84A3K00',
'AF93RT9T',
'ENZLTNVM',
'7E9XJYI8',
'TBYJRLMV',
'GEGD59XU',
'2QPJ0RAP',
'MLCR2CHY',
'UW8TJZ6Q',
'MIV17PT7',
'IN3H7XW0',
'BIFDLZFY',
'O8Y1F0NS',
'E9P6RR94',
'12A3VRQ6',
'15L5O0HN',
'P9V0DHJW',
'O6X19HG1',
'GP9B7H29',
'I653H34A',
'NW04WMLK',
'NYJAD9FZ',
'KYJMBDHU',
'2IMK4R8Z',
'2SUPD2P0',
'Z1OUZ9BK',
'42NJC0TZ',
'BKUUJNUY',
'WVOWASVR',
'02IMSLGK',
'HD766XXE',
'4VLOZZDO',
'LZLVSZAV',
'GDL4UZXA',
'CY1C5NKC',
'15FWJ0ZC',
'AB2KVHYZ',
'DPXZ54AV',
'HBSIO1R4',
];
let coupon = 'HBSIO1R4';
if (coupons.indexOf(coupon) != -1){
	console.log('Coupon Valid !!');
}
else {
	console.log('Coupon INVALID !!');
}