Run results for: array.splice vs for loop

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:109.0) Gecko/20100101 Firefox/115.0

Browser: Firefox 115

Operating system: Windows

Device Platform: Desktop

Date tested: 2 years ago

for loop

30K/s

array.splice

22K/s

View exact numbers

Test name	Executions per second
✓ for loop	30,183 Ops/sec
array.splice	22,254 Ops/sec

Script Preparation code:

s = new Set();
a = [];
for (var i=0; i < 1000; i++) s.add(i*i);

Tests: