Run results for: Direct vs optional chaining

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

detail1 optional

12.1M/s

detail3 optional

11.8M/s

detail1 direct

11.6M/s

detail2 optional

6.5M/s

detail3 direct

6.4M/s

detail2 direct

4.4M/s

View exact numbers

Script Preparation code:

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

Tests: