Run results for: parseInt vs Number vs Number/Number.isInteger

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/103.0.0.0 Safari/537.36

Browser: Chrome 103

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: 2 years ago

Test name	Executions per second
Basic	1240804.1 Ops/sec
Basic with Number check	1049223.8 Ops/sec
Basic with Number and isInteger check	786484.6 Ops/sec

Script Preparation code:

var ids = ['678', '604%2C700', '780', '0', '        ', '123.8']
var someConstant = 200;

Tests:

Basic
var res = ids.filter((id) => Number(id) !== someConstant);
Basic with Number check
var res = ids.filter((id) => Number(id) && Number(id) !== someConstant);
Basic with Number and isInteger check
var res = ids.filter((id) => Number(id) && Number.isInteger(Number(id)) && Number(id) !== someConstant);