Run results for: Object.assign vs spread operator perf

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/69.0.3497.102 Safari/537.36 Vivaldi/2.0.1308.5

Browser: Chrome 69

Operating system: Windows

Device Platform: Desktop

Date tested: 6 years ago

Test name	Executions per second
Object.assign	5137995.0 Ops/sec
spread operator	2148703.5 Ops/sec

Tests:

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