Benchmark: Object.assign vs mutation

Script Preparation code:

var translations = {foo: 'bar'};

Tests:

Object.assign without creating new obj
Object.assign(translations, {'loading': 'Loading'});
mutation
translations.loading = 'Loading';

Rendered benchmark preparation results:

Previous results

Test case name	Result
Object.assign without creating new obj
mutation

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Latest run results:

Run details: (Test run date: 10 months ago)

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/114.0.0.0 Safari/537.36

Browser/OS: Chrome 114 on Mac OS X 10.15.7

Test name	Executions per second
Object.assign without creating new obj	9064006.0 Ops/sec
mutation	28534980.0 Ops/sec

Object.assign vs mutation (version: 0)