Run results for: Array push vs spread operator vs concat

Run details:
User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_3) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/80.0.3987.149 Safari/537.36
Browser: Chrome 80
Operating system: Mac OS X 10.15.3
Device Platform: Desktop
Date tested: 4 years ago
Test name	Executions per second
Push Data in Array	17528.3 Ops/sec
Data push via spread operator	46.9 Ops/sec
concat data via spread operator	19249.9 Ops/sec
concat data via concat method	39724.5 Ops/sec
Script Preparation code:
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Tests:
Push Data in Array
var myArr = new Array(10000); for(const i in data){ myArr.push(i); }
Data push via spread operator
var myArr = new Array(10000); for(const i in data){ myArr = [...myArr,i] }
concat data via spread operator
var myArr = new Array(10000); myArr = [...myArr,...data]
concat data via concat method
var myArr = new Array(10000); myArr = myArr.concat(data)
Run results for: Array push vs spread operator vs concat

Compare push method with the new ES6 spread operator and native concat

Push Data in Array

Data push via spread operator

concat data via spread operator

concat data via concat method
