Run results for: parseInt vs Number // toString vs String

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.128 Safari/537.36

Browser: Chrome 89

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: 3 years ago

Test name	Executions per second
parseInt	637493.0 Ops/sec
Number	703944.1 Ops/sec
toString	6713606.0 Ops/sec
String	716979.6 Ops/sec

Script Preparation code:

var numbers = [1, 12, 123, 1234, 12345, 123456, 1234567, 12345678, 123456789];
var strNumbers = ["1", "12", "123", "1234", "12345", "123456", "1234567", "12345678", "123456789"];

Tests:

parseInt
strNumbers.forEach(n => parseInt(n));
Number
strNumbers.forEach(n => Number(n));
toString
numbers.forEach(n => n.toString());
String
numbers.forEach(n => String(n));