Benchmark: loadash get vs optional chaining

HTML Preparation code:

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

Script Preparation code:

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

Tests:

optional chaining
var y = (_d = (_c = (_b = (_a = x) === null || _a === void 0 ? void 0 : _a.a) === null || _b === void 0 ? void 0 : _b.b) === null || _c === void 0 ? void 0 : _c.c) === null || _d === void 0 ? void 0 : _d.d;
lodash get
var y = _.get(x, 'a.b.c.d');

Rendered benchmark preparation results:

Previous results

Test case name	Result
optional chaining
lodash get

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Latest run results:

Run details: (Test run date: 4 years ago)

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/79.0.3945.130 Safari/537.36

Browser/OS: Chrome 79 on Mac OS X 10.14.6

Test name	Executions per second
optional chaining	684752.1 Ops/sec
lodash get	2813001.0 Ops/sec

loadash get vs optional chaining (version: 0)