Run results for: cloneNode vs clone function

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36

Browser: Chrome 130

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: one year ago

cloneNode

6.2M/s

clone function

4.5M/s

View exact numbers

Test name	Executions per second
✓ cloneNode	6,224,352 Ops/sec
clone function	4,485,842 Ops/sec

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); }