Benchmark: jfsdgdgg - MeasureThat.net

Tests:

Object.getOwnPropertyDescriptors
const obj = { a: "one", b: "two", c: "three" }; const last = Object.create( null ); Object.freeze( Object.create( last, Object.getOwnPropertyDescriptors( obj ) ) );
Object.assign
const obj = { a: "one", b: "two", c: "three" }; const last = Object.create( null ); Object.freeze( Object.assign( Object.create( last ), obj ) );

Rendered benchmark preparation results:

Previous results

Test case name	Result
Object.getOwnPropertyDescriptors
Object.assign

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Latest run results:

Run details: (Test run date: 2 years ago)

User agent: Mozilla/5.0 (Linux; Android 10; Pixel) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/90.0.4430.210 Mobile Safari/537.36

Browser/OS: Chrome Mobile 90 on Android

Test name	Executions per second
Object.getOwnPropertyDescriptors	34665.6 Ops/sec
Object.assign	55851.8 Ops/sec

jfsdgdgg (version: 0)