Run results for: Object.assign vs "static" assign

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:109.0) Gecko/20100101 Firefox/115.0

Browser: Firefox 115

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

Test name	Executions per second
Object.assign	112377.8 Ops/sec
"static" assign	106179.7 Ops/sec

Script Preparation code:

var o = { a: 1, b: 2, c: 3 };

Tests:

Object.assign
const o2 = Object.assign({}, o); o2.a += 10; o2.b = 20; o2.c -= 30; console.log(o);
"static" assign
const o2 = { a: o.a + 10, b: 20, c: o.c - 30 }; console.log(o);