Run results for: push vs spread for single element addition to array

Run details:

User agent: Mozilla/5.0 (X11; Linux i686) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/61.0.3163.100 Safari/537.36

Browser: Chrome 61

Operating system: Linux

Device Platform: Desktop

Date tested: 4 years ago

Test name	Executions per second
push	971710.1 Ops/sec
spread	0.6 Ops/sec

Script Preparation code:

var arr = [{id: 0, name: 'zero', completed: true}, {id: 1, name: 'one', completed: true}, {id: 2, name: 'two', completed: true}];
var temp = {id: 3, name: 'three', completed: false};

Tests:

push
arr.push(temp);
spread
arr = [...arr, temp];