Benchmark: cloneNode vs clone function

Script Preparation code:

const D = document.createElement('div');

function C(element) {return element.cloneNode(true);}

Tests:

cloneNode
for (let i = 0; i < 4000; i += 1) { D.cloneNode(true);D.cloneNode(true);D.cloneNode(true);D.cloneNode(true);D.cloneNode(true); }
clone function
for (let i = 0; i < 4000; i += 1) { D.cloneNode(false);D.cloneNode(false);D.cloneNode(false);D.cloneNode(false);D.cloneNode(false); }

Rendered benchmark preparation results:

Previous results

Test case name	Result
cloneNode
clone function

Latest run results:

Run details: (Test run date: one year ago)

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/136.0.0.0 YaBrowser/25.6.0.0 Safari/537.36

Browser/OS: Yandex Browser 25 on Mac OS X 10.15.7

clone function

691/s

cloneNode

555/s

View exact numbers

Test name	Executions per second
✓ clone function	691 Ops/sec
cloneNode	555 Ops/sec

cloneNode vs clone function (version: 3)