Run results for: Null Propagation Operator versus _.get lodash vs Object Destructuring

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/81.0.4044.113 Safari/537.36

Browser: Chrome 81

Operating system: Windows

Device Platform: Desktop

Date tested: 4 years ago

Test name	Executions per second
Null Propagation Operator	3285441.0 Ops/sec
_.get lodash	841081.4 Ops/sec

Script Preparation code:

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

Tests:

Null Propagation Operator
obj?.a?.b?.c?.d || 2 badObj?.a?.b?.c?.d || 2
_.get lodash
_.get(obj, "a.b.c.d", 2) _.get(badObj, "a.b.c.d", 2)
Object Destructuring
var { a: { b: { c : { d = 2} = {} } = {} } = {} } = obj var { a: { b: { c : { d = 2} = {} } = {} } = {} } = badObj