Benchmark: for...of Object.keys vs for...of Object.keys.values

Script Preparation code:

let obj = {
        a: 1,
        b: [],
        c: 'abc',
        d: Symbol('test')
    },
    keys1 = Object.keys(obj),
    keys2 = keys1.values()

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>

Previous results

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 (Linux; Android 10; K) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Mobile Safari/537.36

Browser/OS: Chrome Mobile 131 on Android

View result in a separate tab

Test name	Executions per second
...of Object.keys	15776.6 Ops/sec
...of Object.keys.keys	19994014.0 Ops/sec

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for...of Object.keys vs for...of Object.keys.keys

for...of Object.keys vs for...of Object.keys.values (version: 1)

Comparing performance of: ...of Object.keys vs ...of Object.keys.keys

Created: one year ago by: Guest

Jump to the latest result

...of Object.keys

...of Object.keys.keys

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A