Run results for: Object.assign vs object assign

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/90.0.4430.212 Safari/537.36 OPR/76.0.4017.177

Browser: Opera 76

Operating system: Windows

Device Platform: Desktop

Date tested: 3 years ago

Tests:

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