Run results for: set.has vs. array.includes vs array.indexOf (for 10n, 100n and 10000n)

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/14.1.1 Safari/605.1.15

Browser: Safari 14

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: 3 years ago

Test name	Executions per second
includes 10n	8802015.0 Ops/sec
lookup 10n	7607178.0 Ops/sec
indexOf 10n	7712487.0 Ops/sec
includes 100n	4348148.0 Ops/sec
lookup 100n	7154253.0 Ops/sec
indexOf 100n	2449025.2 Ops/sec
includes 10000n	59668.6 Ops/sec
lookup 10000n	10336135.0 Ops/sec
indexOf 10000n	55807.6 Ops/sec

Script Preparation code:

var arr10 = [...Array(10).keys()];
var set10 = new Set(arr10);

var arr100 = [...Array(100).keys()];
var set100 = new Set(arr100)

var arr10000 = [...Array(10000).keys()];
var set10000 = new Set(arr10000)

Tests:

includes 10n
return arr10.includes(9);
lookup 10n
return set10.has(9);
indexOf 10n
return arr10.indexOf(9) >= 0;
includes 100n
return arr100.includes(99);
lookup 100n
return set100.has(99);
indexOf 100n
return arr100.indexOf(99) >= 0;
includes 10000n
return arr10000.includes(9999);
lookup 10000n
return set10000.has(9999);
indexOf 10000n
return arr10000.indexOf(9999) >= 0;

Run results for: set.has vs. array.includes vs array.indexOf (for 10n, 100n and 10000n)

includes 10n

lookup 10n

indexOf 10n

includes 100n

lookup 100n

indexOf 100n

includes 10000n

lookup 10000n

indexOf 10000n