Run results for: optional chaining vs lodash get

Run details:

User agent: Mozilla/5.0 (iPhone; CPU OS 14_2 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) FxiOS/29.0 Mobile/15E148 Safari/605.1.15

Browser: Mobile Safari 14

Operating system: iOS 14.2

Device Platform: Mobile

Date tested: 3 years ago

Test name	Executions per second
optional chaining	1090959.4 Ops/sec
lodash get	2218629.8 Ops/sec

HTML Preparation code:


<script src='https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.5/lodash.min.js'></script>

Script Preparation code:

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

Tests:

optional chaining
a=obj.a var t = a == null ? undefined : a.b == null ? undefined : a.b.c == null ? undefined : a.b.c.d
lodash get
var a = _.get(obj, "a.b.c.d")