Run results for: comparing Array.from copy and then splice with filter method to variable

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:140.0) Gecko/20100101 Firefox/140.0

Browser: Firefox 140

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

filter array method

16.8M/s

copy and splice

9.8M/s

View exact numbers

Test name	Executions per second
✓ filter array method	16,806,946 Ops/sec
copy and splice	9,837,435 Ops/sec

Script Preparation code:

var arr = [0,1,2,3,4,5,6,7];

Tests:

copy and splice
var x = Array.from(arr); x.splice(0, 1);
filter array method
var x = arr.filter(function(_, index){ return index !== 0});