Run results for: Slice vs Filter

Run details:

User agent: Mozilla/5.0 (Linux; Android 8.1.0; Build/OPM1.171019.011) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Mobile Safari/537.36

Browser: Chrome Mobile 67

Operating system: Android 8.1.0

Device Platform: Mobile

Date tested: 6 years ago

Test name	Executions per second
filter	4398.6 Ops/sec
slice	61705.4 Ops/sec

Script Preparation code:

var arr = Array.from(Array(1000).keys());
var arr2;
var target = Math.random() * 1000;

Tests:

filter
arr2 = arr.filter(function(i) { return i !== target; });
slice
var index = arr.indexOf(target); arr2 = arr.slice(0,index).concat(arr.slice(index+1));