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Access first key using for-in vs object.keys()
(version: 0)
Comparing performance of:
for in vs object keys
Created:
2 years ago
by:
Guest
Jump to the latest result
Script Preparation code:
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"username.309": ['"623828" is taken'], "username.310": ['"922056" is taken'], "username.311": ['"951817" is taken'], "username.312": ['"066028" is taken'], "username.313": ['"967014" is taken'], "username.314": ['"570459" is taken'], "username.315": ['"619413" is taken'], "username.316": ['"563168" is taken'], "username.317": ['"835735" is taken'], "username.318": ['"584092" is taken'], "username.319": ['"741063" is taken'], "username.320": ['"573128" is taken'], "username.322": ['"724751" is taken'], "username.323": ['"021863" is taken'], "username.324": ['"425355" is taken'], "username.325": ['"448634" is taken'], "username.326": ['"175831" is taken'], "username.327": ['"136557" is taken'], "username.328": ['"401721" is taken'], "username.329": ['"629942" is taken'], "username.330": ['"923725" is taken'], "username.331": ['"378302" is taken'], "username.332": ['"792310" is taken'], "username.333": ['"906236" is taken'], "username.334": ['"162424" is taken'], "username.335": ['"241882" is taken'], }
Tests:
for in
for (const key in object){ object[key] break; }
object keys
Object.keys(object)[0]
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
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Autogenerated LLM Summary
(model
llama3.2:3b
, generated one year ago):
I'll provide an answer to the question that can be inferred from the given data. It appears that we are comparing two different approaches for iterating over an object: 1. `for (const key in object){ ... }` (the "in" approach) 2. `Object.keys(object)[0]` (the "object keys" approach) The benchmark results show that the "in" approach is significantly faster than the "object keys" approach. Based on this data, I would infer that: * The "in" approach has a better performance profile for iterating over objects. * The "object keys" approach may be slower due to additional overhead or inefficiencies in its implementation. However, it's essential to note that these results are specific to the given benchmarking environment and might not generalize to all scenarios. Further testing and analysis would be necessary to confirm these findings.
Related benchmarks:
native find vs lodash _.find with null values and object
native findIndex vs lodash find elem
native findIndex vs lodash find element
Access first key using for-in vs object.keys() 2
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