Run results for: Direct vs optional chaining fixed

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36

Browser: Chrome 120

Operating system: Windows

Device Platform: Desktop

Date tested: 2 years ago

Benchmark engine: Benchmark.js

All details optional

1.8M/s

All details direct

1.1M/s

View exact numbers

Test name	Executions per second
✓ All details optional	1,783,306 Ops/sec
All details direct	1,146,514 Ops/sec

Script Preparation code:

var detail1 = null
var detail2 = {prop1: 'asdf', prop2: null}
var detail3 = {prop1: null, prop2: 'asdf'}
var detail4 = {prop1: 'asdf', prop2: 'asdf'}
var detail5 = {prop1: null, prop2: null}

Tests:

All details direct
let y1 = detail1 && detail1.prop1 && detail1.prop2 let y2 = detail2 && detail2.prop1 && detail2.prop2 let y3 = detail3 && detail3.prop1 && detail3.prop2 let y4 = detail4 && detail4.prop1 && detail4.prop2 let y5 = detail5 && detail5.prop1 && detail5.prop2
All details optional
let y1 = detail1?.prop1 && detail1?.prop2 let y2 = detail2?.prop1 && detail2?.prop2 let y3 = detail3?.prop1 && detail3?.prop2 let y4 = detail4?.prop1 && detail4?.prop2 let y5 = detail5?.prop1 && detail5?.prop2