Run results for: slice VS splice: keep the first half of an array

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:90.0) Gecko/20100101 Firefox/90.0

Browser: Firefox 90

Operating system: Windows

Device Platform: Desktop

Date tested: 3 years ago

Test name	Executions per second
slice	423.4 Ops/sec
splice	10652525.0 Ops/sec

Script Preparation code:

var list = [];
for (var i = 0; i < 1000000; i++) {
  list.push(i);
}

Tests: