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Run results for: push vs unshift

push vs unshift

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Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_12_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/66.0.3359.117 Safari/537.36
Chrome 66
Mac OS X 10.12.6
Other
7 years ago
Test name Executions per second
arrayPush-1 8905846.0 Ops/sec
arrayUnshift-1 10.9 Ops/sec
arrayConact-1 0.3 Ops/sec
Script Preparation code:
AخA
 
var arr = [];
Tests:

  • arrayPush-1

     
    arr.push(1)

  • arrayUnshift-1

     
    arr.unshift(1)

  • arrayConact-1

     
    arr = [1, ...arr]