Run results for: Object.assign vs spread operator irek

Run details:

User agent: Mozilla/5.0 (Linux; Android 9; A0001 Build/PQ3A.190801.002) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.157 Mobile Safari/537.36 OPR/53.1.2569.142848

Browser: Opera Mobile 53

Operating system: Android

Device Platform: Mobile

Date tested: 5 years ago

Test name	Executions per second
Object.assign	586490.1 Ops/sec
spread operator	309917.3 Ops/sec

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 };