Run results for: Merge vs Spread

Run details:

User agent: Mozilla/5.0 (iPhone; CPU iPhone OS 18_3_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/18.3 Mobile/15E148 Safari/604.1

Browser: Mobile Safari 18

Operating system: iOS 18.3.1

Device Platform: Mobile

Date tested: one month ago

Test name	Executions per second
Spread	10228931.0 Ops/sec
Other	795503.1 Ops/sec

Tests:

Spread
var params = [ "hello", true, 7 ]; var other = [ ...params, ...(null ?? []), ...params, ...(null ?? []), ...params, ...(null ?? []), ...params, ...params, ...(null ?? []), ...params, ...(null ?? []), ...params, ...(null ?? []), ...params, ...params, ...(null ?? []), ...params, ...(null ?? []), ...params, ...(null ?? []), ...params, ];
Other
var params = [ "hello", true, 7 ]; var merge2 = (...objects) => objects.reduce((acc, cur) => ([ ...acc, ...cur ])); var other = merge2(...[ params, (null ?? []), params, (null ?? []), params, (null ?? []), params, params, (null ?? []), params, (null ?? []), params, (null ?? []), params, params, (null ?? []), params, (null ?? []), params, (null ?? []), params, ]);