Run results for: replaceAll vs regex global replace

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/141.0.0.0 Safari/537.36

Browser: Chrome 141

Operating system: Windows

Device Platform: Desktop

Date tested: 10 months ago

replace regex

17.7M/s

replace All

12.6M/s

View exact numbers

Test name	Executions per second
✓ replace regex	17,743,772 Ops/sec
replace All	12,605,067 Ops/sec

Script Preparation code:

String.prototype.replaceAll = String.prototype.replaceAll || function(search, replacement) {
    var target = this;
    return target.replace(new RegExp(search, 'g'), replacement);
};

Tests:

replace regex
"this is it".replace(/ /g, "+");
replace All
"this is it".replaceAll(" ", "+");