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Run results for: index에 요소 추가 (배열요소 문자)

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Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/85.0.4183.121 Safari/537.36
Chrome 85
Windows
Desktop
4 years ago
Test name Executions per second
Array.prototype.concat 2890698.5 Ops/sec
spread operator 6292741.0 Ops/sec
Array.prototype.splice 10179.4 Ops/sec
Array.prototype.unshift 2267.6 Ops/sec
Array.prototype.push 7638726.5 Ops/sec
Script Preparation code:
AخA
 
var arr = ['홍길동', '소지섭']
Tests:

  • Array.prototype.concat

     
    var a = arr.concat(['최창현'])

  • spread operator

     
    var a = ['최창현', ...arr]

  • Array.prototype.splice

     
    var a = arr.splice(0, 0, '최창현')

  • Array.prototype.unshift

     
    var a = arr.unshift('최창현')

  • Array.prototype.push

     
    var a = arr.push('최창현')