Run results for: js replace vs substr

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:122.0) Gecko/20100101 Firefox/122.0

Browser: Firefox 122

Operating system: Windows

Device Platform: Desktop

Date tested: 2 years ago

Benchmark engine: Benchmark.js

substr

600.7M/s

replace

27.6M/s

View exact numbers

Test name	Executions per second
✓ substr	600,705,472 Ops/sec
replace	27,585,752 Ops/sec

Script Preparation code:

var strIn = '@mol-fe/mol-fe-webpush-server-worker';
var strOut = '';

Tests: