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for in / object.keys test
(version: 0)
for in / object.keys test
Comparing performance of:
for in vs object.keys
Created:
3 years ago
by:
Guest
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Script Preparation code:
var obj = {}; for(let i = 0; i < 100000; i++) { obj[i] = i; };
Tests:
for in
for (var key in obj) { console.log(key); }
object.keys
Object.keys(obj).forEach(key => console.log(key));
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (2)
Previous results
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Test case name
Result
for in
object.keys
Fastest:
N/A
Slowest:
N/A
Latest run results:
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Related benchmarks:
Object.keys(obj)[0] vs for in
object.keys vs length variable
Object.keys().length vs for i in object i++ vs Object.entries().length vs Object.values().length
checks if object has any key - Object.keys vs for key in 2
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