Run results for: Slice vs Splice delete 1000

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/69.0.3497.100 Safari/537.36

Browser: Chrome 69

Operating system: Mac OS X 10.13.6

Device Platform: Desktop

Date tested: 6 years ago

Test name	Executions per second
Splice	103384.0 Ops/sec
Slice	53448.9 Ops/sec

Script Preparation code:

var array = Array.from({ length: 10000 }).map((val, i) => i);

AخA
 
var array = Array.from({ length: 10000 }).map((val, i) => i);

Tests:

Splice
var messages = array.slice().splice(9999, 1);
var messages = array.slice().splice(9999, 1);
Slice
var messages = array.slice().slice(0, 9999);
var messages = array.slice().slice(0, 9999);