Run results for: filter vs spread slice

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/90.0.4430.93 Safari/537.36

Browser: Chrome 90

Operating system: Windows

Device Platform: Desktop

Date tested: 2 years ago

Test name	Executions per second
spread slice	45.9 Ops/sec
filter	5.6 Ops/sec

Script Preparation code:

var length = 1000000;
var users = new Array(length);
users.fill({"yes": "yes"});
var indexToRemove = Math.floor(Math.random()*(length - 1));

Tests:

spread slice
const result = [...users.slice(0, indexToRemove), ...users.slice(indexToRemove + 1)];
filter
const result = users.filter((item, index) => index !== indexToRemove);