Run results for: RegExp replace vs String join

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 11_0_0) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/86.0.4240.75 Safari/537.36

Browser: Chrome 86

Operating system: Mac OS X 11.0.0

Device Platform: Desktop

Date tested: 3 years ago

Test name	Executions per second
RegExp replace	905100.4 Ops/sec
String join	5647622.0 Ops/sec

Tests:

RegExp replace
const priceEu = '650'.replace(/.+/, 'Price EU: $&€'); const priceUs = '715'.replace(/.+/, 'Price US: &dollar;$&');
String join
const priceEu = ['Price EU: ', '€'].join('650'); const priceUs = ['Price US: &dollar;', ''].join('715');