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For in vs Object.*.forEach vs Object.values #2
(version: 0)
Comparing performance of:
For In vs Object values vs Object keys forEach vs Object entries forEach vs object values forEach
Created:
2 years ago
by:
Guest
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Script Preparation code:
var obj = new Object() var keys = (new Array(10000)).fill(0).map((x, i) => { return i + 1 }) keys.forEach((x) => { obj['prop' + x] = x })
Tests:
For In
let result; for (var key in obj) { result = obj[key]; }
Object values
let result; for(let value of Object.values(obj)){ result = value; }
Object keys forEach
let result; Object.keys(obj).forEach(key => key = obj[key);
Object entries forEach
let result; Object.entries(obj).forEach(([key, value]) => result = value);
object values forEach
let result Object.values(obj).forEach(value => result = value);
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (5)
Previous results
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Test case name
Result
For In
Object values
Object keys forEach
Object entries forEach
object values forEach
Fastest:
N/A
Slowest:
N/A
Latest run results:
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