Run results for: Optional Chaining versus _.get lodash

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64; rv:75.0) Gecko/20100101 Firefox/75.0

Browser: Firefox 75

Operating system: Linux

Device Platform: Desktop

Date tested: 4 years ago

Test name	Executions per second
Optional Chaining	29419170.0 Ops/sec
Lodash	642047.0 Ops/sec

Script Preparation code:

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

Tests:

Optional Chaining
(obj.a == null ? undefined : obj.a.b == null ? undefined : obj.a.b.c == null ? undefined : obj.a.b.c.d) || 2 (badObj.a == null ? undefined : badObj.a.b == null ? undefined : badObj.a.b.c == null ? undefined : badObj.a.b.c.d) || 2
Lodash
_.get(obj, "a.b.c.d", 2) _.get(badObj, "a.b.c.d", 2)