Run results for: array includes vs some vs indexOf

Run details:

User agent: Mozilla/5.0 (iPhone; CPU iPhone OS 16_4_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/16.4 Mobile/15E148 Safari/604.1

Browser: Mobile Safari 16

Operating system: iOS 16.4.1

Device Platform: Mobile

Date tested: one year ago

Test name	Executions per second
Not contained: IndexOf	2568093.2 Ops/sec
Not contained: Includes	3320249.8 Ops/sec
Not contained: Some	331194.7 Ops/sec
Contained: IndexOf	2476951.8 Ops/sec
Contained: Includes	3935317.8 Ops/sec
Contained: Some	399764.2 Ops/sec

Script Preparation code:

var containedValue = '10079';
var notContainedValue = '79001';
var array = ['10000', '10001', '10002', '10003', '10004', '10005', '10006', '10007', '10008', '10009', '10010', '10011', '10012', '10013', '10014', '10015', '10016', '10017', '10018', '10019', '10020', '10021', '10022', '10023', '10024', '10025', '10026', '10027', '10028', '10029', '10030', '10031', '10032', '10033', '10034', '10035', '10036', '10037', '10038', '10039', '10040', '10041', '10042', '10043', '10044', '10045', '10046', '10047', '10048', '10049', '10050', '10051', '10052', '10053', '10054', '10055', '10056', '10057', '10058', '10059', '10060', '10061', '10062', '10063', '10064', '10065', '10066', '10067', '10068', '10069', '10070', '10071', '10072', '10073', '10074', '10075', '10076', '10077', '10078', '10079', '10080', '10081', '10082', '10083', '10084', '10085', '10086', '10087', '10088', '10089', '10090', '10091', '10092', '10093', '10094', '10095', '10096', '10097', '10098', '10099']

Tests:

Not contained: IndexOf
array.indexOf(notContainedValue) !== -1
Not contained: Includes
array.includes(notContainedValue)
Not contained: Some
array.some(v => v === notContainedValue)
Contained: IndexOf
array.indexOf(containedValue) !== -1
Contained: Includes
array.includes(containedValue)
Contained: Some
array.some(v => v === containedValue)

Run results for: array includes vs some vs indexOf

Not contained: IndexOf

Not contained: Includes

Not contained: Some

Contained: IndexOf

Contained: Includes

Contained: Some