Run results for: Optional Chaining versus _.get lodash (with obj in the optional chain test)

Run details:

User agent: Mozilla/5.0 (iPhone; CPU iPhone OS 26_2_0 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) CriOS/143.0.7499.151 Mobile/15E148 Safari/604.1

Browser: Chrome Mobile iOS 143

Operating system: iOS 26.2.0

Device Platform: Mobile

Date tested: 4 months ago

Test name	Executions per second
Optional Chaining	460435456.0 Ops/sec
Lodash	12699243.0 Ops/sec

Script Preparation code:

var obj = {a: {b: {c: {d: 1}}}}

Tests:

Optional Chaining
obj.a == null ? undefined : obj.a.b == null ? undefined : obj.a.b.c == null ? undefined : obj.a.b.c.d
Lodash
_.get(obj, "a.b.c.d")

Run results for: Optional Chaining versus _.get lodash (with obj in the optional chain test)

Optional Chaining

Lodash