Run results for: slice VS splice 500k from 1m

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/88.0.4324.192 Safari/537.36

Browser: Chrome 88

Operating system: Windows

Device Platform: Desktop

Date tested: 4 years ago

Test name	Executions per second
slice	1952542.6 Ops/sec
splice	2955967.2 Ops/sec

Script Preparation code:

var list = [];
for (var i = 0; i < 1000 * 1000; i++) {
  list.push(i);
}

AخA
 
var list = [];for (var i = 0; i < 1000 * 1000; i++) {  list.push(i);}

Tests:

slice
list.push('slice'); list = list.slice(500 * 1000);
list.push('slice');
list = list.slice(500 * 1000);
splice
list.push('splice'); list.splice(0, 500 * 1000);
list.push('splice');
list.splice(0, 500 * 1000);