Run results for: JS BigInt vs two numbers bitwise performance

Run details:

User agent: Mozilla/5.0 (iPhone; CPU iPhone OS 26_0 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/26.0 Mobile/15E148 Safari/604.1

Browser: Mobile Safari 26

Operating system: iOS 26.0

Device Platform: Mobile

Date tested: 8 months ago

Test name	Executions per second
BigInt	86806808.0 Ops/sec
Number	615954304.0 Ops/sec

Script Preparation code:

var bigInt1 = 4294967123295n
var bigInt2 = 4294967423295n
var number1_1 = 1
var number1_2 = 5
var number2_1 = 6
var number2_1 = 555

Tests: