Run results for: replaceAll vs regex replace

Run details:

User agent: Mozilla/5.0 (X11; CrOS x86_64 14541.0.0) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36

Browser: Chrome 126

Operating system: Chrome OS 14541.0.0

Device Platform: Desktop

Date tested: one year ago

replace regex

2.9M/s

replace All

1.6M/s

View exact numbers

Test name	Executions per second
✓ replace regex	2,942,536 Ops/sec
replace All	1,588,183 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(" ", "+");