Run results for: Object.assign vs Object spread vs object assign

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 11_1_0) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36

Browser: Chrome 89

Operating system: Mac OS X 11.1.0

Device Platform: Desktop

Date tested: 3 years ago

Tests:

Object.assign
var params = { b:"hello", c: true, d:7 }; var other = Object.assign(params, { d: 2 });
spread operator
var params = { b:"hello", c: true, d:7 }; var other = { ...params, d: 2 };
object assign
var params = { b:"hello", c: true, d:7 }; params.d = 2; var other = params;