Run results for: Optional chaining vs native code(Opt)

Run details:

User agent: Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/88.0.4324.151 Safari/537.36

Browser: Chrome 88

Operating system: Windows 7

Device Platform: Desktop

Date tested: 3 years ago

Test name	Executions per second
Optional Chaining	7741299.5 Ops/sec
Native	2620892.5 Ops/sec

Script Preparation code:

var foo={bar:{baz:{qux:{x:1}}}}

Tests: