MeasureThat.net

Run results for: JS Array Clearing

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Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/134.0.0.0 Safari/537.36
Chrome 134
Mac OS X 10.15.7
Desktop
2 months ago
Test name Executions per second
Length = 0 39319436.0 Ops/sec
Splice 53635176.0 Ops/sec
Script Preparation code:
​x
 
var a = [];
for (var i=0; i < 1000000;i++){
  a.push("item"+i);
}
​
Tests:

  • Length = 0

     
    a.length = 0;

  • Splice

     
    a.splice(0, a.length-1);