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

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/108.0.0.0 Safari/537.36

Browser: Chrome 108

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: one year ago

Test name	Executions per second
Substring	8545839.0 Ops/sec
Slice	8539378.0 Ops/sec
Substr	8482208.0 Ops/sec
Replace	8369001.0 Ops/sec
ReplaceAll	8404395.0 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("--", "")