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Run results for: Optional Chaining versus _.get lodash

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Run details:
Mozilla/5.0 (Android 11; Mobile; rv:99.0) Gecko/99.0 Firefox/99.0
Firefox Mobile 99
Android
Mobile
2 years ago
Test name Executions per second
Optional Chaining 30199574.0 Ops/sec
Lodash 1385668.2 Ops/sec
Script Preparation code:
AخA
 
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)