Run results for: URL Clone vs Copy Search Params

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/134.0.0.0 Safari/537.36

Browser: Chrome 134

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: one year ago

Concat pathName

989K/s

Clone and copy

535K/s

View exact numbers

Test name	Executions per second
✓ Concat pathName	988,681 Ops/sec
Clone and copy	534,727 Ops/sec

Script Preparation code:

var param = "?id=4&benchmark=5832";
var url_1 = "http://localhost:3000" + param;
var url_2 = 'https://localhost:3001';
var new_protocol = 'https:';
var url = new URL(url_1);
var loop = 10000;

Tests:

Clone and copy
const second_url = new URL(url_2); url.host = second_url.host; url.protocol = second_url.protocol;
Concat pathName
const params = url.searchParams.toString(); const clone = new URL(url.pathname + (params.length > 0 ? '?' + params : ''), url_2);