Run results for: replaceAll vs regex replace

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/109.0.0.0 Safari/537.36 Edg/109.0.1518.78

Browser: Chrome 109

Operating system: Windows

Device Platform: Desktop

Date tested: 2 years ago

replace regex

8.9M/s

replace All

2.3M/s

View exact numbers

Test name	Executions per second
✓ replace regex	8,861,476 Ops/sec
replace All	2,294,425 Ops/sec

Script Preparation code:

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(" ", "+");