Run results for: replaceAll vs regex replace . with ,

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/18.1 Safari/605.1.15

Browser: Safari 18

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: one year ago

replace regex

645.4M/s

replace All

17.5M/s

View exact numbers

Test name	Executions per second
✓ replace regex	645,398,912 Ops/sec
replace All	17,468,190 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
"78.24".replace(/./g, ",");
replace All
"78.24".replaceAll(",", ".");