Run results for: RegExp replace vs String join

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/80.0.3987.100 Safari/537.36

Browser: Chrome 80

Operating system: Windows

Device Platform: Desktop

Date tested: 4 years ago

Test name	Executions per second
RegExp replace	767714.4 Ops/sec
String join	6747832.0 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');