Run results for: Javascript slice vs substring vs replace vs replaceall - MeasureThat.net

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36

Browser: Chrome 120

Operating system: Windows

Device Platform: Desktop

Date tested: 3 months ago

Test name	Executions per second
Substring	3507310.0 Ops/sec
Slice	3460681.0 Ops/sec
Substr	3520094.0 Ops/sec
Replace	4594154.0 Ops/sec
ReplaceAll	3382655.0 Ops/sec

Website performance monitoring

Script Preparation code:

var text = '--bing';

Tests:

Substring
text = text.substring(2, text.length);
Slice
text = text.slice(2, text.length);
Substr
text = text.substr(2, text.length);
Replace
text = text.replace("--", "")
ReplaceAll
text = text.replaceAll("--", "")