Run results for: find: .includes vs hashtable .has

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36

Browser: Chrome 124

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: one year ago

Test name	Executions per second
.includes	1217090.2 Ops/sec
hashtable .has	2558.5 Ops/sec

Script Preparation code:

var LIST = Array.from({ length: 10000 }, (_, idx) => idx);
var VALUE = 7000;

Tests:

.includes
const hasItem = LIST.includes(VALUE);
hashtable .has
const listToMap = LIST.reduce((map, item) => { map.set(item, item); return map; }, new Map) const hasItem = listToMap.has(VALUE);