MeasureThat.net

Run results for: spread vs concat vs unshift

spread vs concat vs unshift

Go to the benchmark
Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/100.0.4896.127 Safari/537.36 Edg/100.0.1185.50
Chrome 100
Windows
Desktop
3 years ago
Test name Executions per second
arrayUnshift123 48131.5 Ops/sec
arrayConcat123 1142.4 Ops/sec
arraySpread123 206.1 Ops/sec
Script Preparation code:
AخA
 
var array = [1,2,3];
Tests:

  • arrayUnshift123

     
    array.unshift(0);

  • arrayConcat123

     
    array = array.concat([0])

  • arraySpread123

     
    array = [0, ...array]