Run results for: replace string vs regexp

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:109.0) Gecko/20100101 Firefox/119.0

Browser: Firefox 119

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

Test name	Executions per second
substring	3953642.2 Ops/sec
regex	4781160.0 Ops/sec

Script Preparation code:

var strIn = 'asdada {{ asdasd a{asdas sad}sadasd}} sadasdas} asd ad';
var strOut = '';
var regex = /{{|}}/g;

​x
 
var strIn = 'asdada {{ asdasd a{asdas sad}sadasd}} sadasdas} asd ad';var strOut = '';var regex = /{{|}}/g;​​

Tests:

substring
strOut = strIn.replace('{{','').replace('}}','')
strOut = strIn.replace('{{','').replace('}}','')
regex
strOut = strIn.replace(regex, '');
strOut = strIn.replace(regex, '');