Run results for: spread vs assign 34134093240321490

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/81.0.4044.122 Safari/537.36 Edg/81.0.416.64

Browser: Chrome 81

Operating system: Windows

Device Platform: Desktop

Date tested: 4 years ago

Test name	Executions per second
object spread	35055888.0 Ops/sec
object assign	3773983.8 Ops/sec

Tests:

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