Run results for: object mixin compare

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64; rv:109.0) Gecko/20100101 Firefox/110.0

Browser: Firefox 110

Operating system: Linux

Device Platform: Desktop

Date tested: one year ago

Test name	Executions per second
test1	6940631.0 Ops/sec
test2	30670514.0 Ops/sec

Script Preparation code:

function test1(mixin) {
  return {
    a: 'a',
    b: 'b',
    c: 'c',
    d: 'd',
    e: 'e',
    f: 'f',
    ...mixin
  };
}

class Test2Class {
  constructor() {
    this.a = 'a';
    this.b = 'b';
    this.c = 'c';
    this.d = 'd';
    this.e = 'e';
    this.f = 'f';
  }
}

Test2Class.prototype.ok = function () {
  return 'ok';
};

function test2() {
  return new Test2Class();
}

Tests:

test1
const obj1 = test1({ ok: () => 'ok' }); obj1.ok() === 'ok'
test2
const obj2 = test2(); obj2.ok() === 'ok'