Run results for: list push vs splice

Run details:

User agent: Mozilla/5.0 (iPhone; CPU iPhone OS 15_3 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) CriOS/100.0.4896.77 Mobile/15E148 Safari/604.1

Browser: Chrome Mobile iOS 100

Operating system: iOS 15.3

Device Platform: Mobile

Date tested: 2 years ago

Test name	Executions per second
append	1753968.0 Ops/sec
splice	132075.8 Ops/sec
reverse	1318476.5 Ops/sec
concat	1222899.0 Ops/sec
unshift	108044.6 Ops/sec

Script Preparation code:

l = 123;

Tests:

append
a = Array(l); a.push(3);
splice
a = Array(l); a.splice(0,0,3);
reverse
a = Array(l); a.reverse().push(3); a.reverse();
concat
a = Array(l); a = [3].concat(a);
unshift
a = Array(l); a.unshift(3);

Run results for: list push vs splice

append

splice

reverse

concat

unshift