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for...of Object.keys vs for...of Object.keys.keys
(version: 1)
Comparing performance of:
...of Object.keys vs ...of Object.keys.keys
Created:
one year ago
by:
Guest
Go to the latest result
Script Preparation code:
let obj = { a: 1, b: [], c: 'abc', d: Symbol('test') }, keys1 = Object.keys(obj), keys2 = keys1.keys()
Tests:
...of Object.keys
for (let prop of keys1) console.log(prop)
...of Object.keys.keys
for (let prop of keys2) console.log(prop)
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (2)
Previous results
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Test case name
Result
...of Object.keys
...of Object.keys.keys
Fastest:
N/A
Slowest:
N/A
Latest run results:
Run details:
(Test run date:
one year ago
)
User agent:
Mozilla/5.0 (X11; CrOS x86_64 14541.0.0) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36
Browser/OS:
Chrome 126 on Chrome OS 14541.0.0
View result in a separate tab
Embed
Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=572450" width="100%" height="500px"></iframe>
...of Object.keys.keys
31.2M/s
...of Object.keys
8K/s
View exact numbers
Test name
Executions per second
✓
...of Object.keys.keys
31,187,888 Ops/sec
...of Object.keys
8,374 Ops/sec
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