Run results for: Optional Chaining versus _.get lodash 2020 yq

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/78.0.3904.87 Safari/537.36

Browser: Chrome 78

Operating system: Mac OS X 10.14.5

Device Platform: Desktop

Date tested: 4 years ago

Test name	Executions per second
Optional Chaining	9641105.0 Ops/sec
Lodash	1599499.4 Ops/sec

Script Preparation code:

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

Tests:

Optional Chaining
// Compiled code from TSC // obj?.a?.b?.c?.d ?? 2 // badObj?.a?.b?.c?.d ?? 2 "use strict"; var _a, _b, _c, _d, _e, _f, _g, _h, _j, _k; _e = (_d = (_c = (_b = (_a = obj) === 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, (_e !== null && _e !== void 0 ? _e : 2); _k = (_j = (_h = (_g = (_f = badObj) === null || _f === void 0 ? void 0 : _f.a) === null || _g === void 0 ? void 0 : _g.b) === null || _h === void 0 ? void 0 : _h.c) === null || _j === void 0 ? void 0 : _j.d, (_k !== null && _k !== void 0 ? _k : 2);
Lodash
_.get(obj, ['a', 'b', 'c', 'd'], 2) _.get(badObj, ['a', 'b', 'c', 'd'], 2)