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Object.fromEntries vs reduce - no map v2
(version: 0)
Comparing performance of:
Object.fromEntries vs Reduce (reuse object) vs Reduce (creating temporary objects)
Created:
5 years ago
by:
Guest
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Script Preparation code:
var data = Object.entries({ ...Array.from(Array(10000).keys()) })
Tests:
Object.fromEntries
Object.fromEntries(data);
Reduce (reuse object)
data.reduce((acc, [k, v]) => { acc[k] = v.toString(); return acc; }, {});
Reduce (creating temporary objects)
data.reduce((acc, [k, v]) => ({ ...acc, [k]: v.toString() }), {});
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (3)
Previous results
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Test case name
Result
Object.fromEntries
Reduce (reuse object)
Reduce (creating temporary objects)
Fastest:
N/A
Slowest:
N/A
Latest run results:
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Related benchmarks:
reduce (immutable) vs map + fromEntries
Object.fromEntries vs create temp object vs Array.reduce
Map & Object.fromEntries vs reduce
Object.fromEntries on array vs reduce on array
Object.fromEntries vs reduce round 2
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