Run results for: apply vs spread

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/104.0.5112.114 YaBrowser/22.9.1.1145 Yowser/2.5 Safari/537.36

Browser: Yandex Browser 22

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: 2 years ago

Test name	Executions per second
Apply	393124.9 Ops/sec
Spread	655090.3 Ops/sec

Script Preparation code:

window.top.tests = {control:[], apply:[], spread:[]};
window.test = (new Array(10)).fill(null);
window.cutoff = 5000;

Tests:

Apply
window.top.tests.concat = window.top.tests.apply.push.apply(window.top.tests.apply, window.test); if (window.top.tests.apply.length > window.cutoff) { window.top.tests.apply = []; console.log('reset apply'); }
Spread
window.top.tests.spread.push(...window.test); if (window.top.tests.spread.length > window.cutoff) { window.top.tests.spread = []; console.log('reset spread'); }

Run results for: apply vs spread

Comparing the various ways to append to a large array

Apply

Spread