Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/134.0.0.0 Safari/537.36
Chrome 134
Windows
Desktop
one month ago
Test name Executions per second
array.splice 667386.0 Ops/sec
for loop 425431.5 Ops/sec
Script Preparation code:
x
 
a = Array(10000);
b = Array(300)
Tests:
  • array.splice

     
    a.splice(0, b.length, ...b);
  • for loop

     
        for (let i = 0; i < b.length; i++) {
          a[i] = b[i];
        }