Run results for: indexOf VS object

Run details:

User agent: Mozilla/5.0 (iPhone; CPU iPhone OS 14_4_2 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Mobile/15E148 LightSpeed [FBAN/MessengerLiteForiOS;FBAV/309.0.0.39.108;FBBV/286048405;FBDV/iPhone10,6;FBMD/iPhone;FBSN/iOS;FBSV/14.4.2;FBSS/3;FBCR/;FBID/phone;FBLC/fr;FBOP/0]

Browser: Mobile Safari 14

Operating system: iOS 14.4.2

Device Platform: Mobile

Date tested: 3 years ago

Test name	Executions per second
indexOf found	63667264.0 Ops/sec
indexOf not found	57557924.0 Ops/sec
object found	7192841.0 Ops/sec
object not found	5580000.0 Ops/sec

Tests:

indexOf found
const arr = [1,2,3,4,5,6,7,8,9,10]; let isFound = (-1 != arr.indexOf(8));
indexOf not found
const arr = [1,2,3,4,5,6,7,8,9,10]; let isFound = (-1 != arr.indexOf(12));
object found
const obj = {1 : true,2 : true,3 : true,4 : true,5 : true,6 : true,7 : true,8 : true,9 : true,10 : true}; let isFound = (obj["8"]);
object not found
const obj = {1 : true,2 : true,3 : true,4 : true,5 : true,6 : true,7 : true,8 : true,9 : true,10 : true}; let isFound = (obj["12"]);

Run results for: indexOf VS object

indexOf found

indexOf not found

object found

object not found