Script Preparation code:
AخA
 
var obj = {a: {b: {c: {d: 1}}}}
var badObj = {}
Tests:
  • Optional Chaining

     
    var c = obj.a == null ? undefined : obj.a.b == null ? undefined : obj.a.b.c == null ? undefined : obj.a.b.c.d
    c == null ? 2 : c
    var d = badObj.a == null ? undefined : badObj.a.b == null ? undefined : badObj.a.b.c == null ? undefined : badObj.a.b.c.d
    d == null ? 2 : d
  • Lodash

     
    _.get(obj, "a.b.c.d", 2)
    _.get(badObj, "a.b.c.d", 2)
Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Experimental features:

  • Test case name Result
    Optional Chaining
    Lodash

    Fastest: N/A

    Slowest: N/A

Latest run results:
Run details: (Test run date: 3 months ago)
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36
Chrome 131 on Mac OS X 10.15.7
View result in a separate tab
Test name Executions per second
Optional Chaining 94085704.0 Ops/sec
Lodash 6352210.5 Ops/sec