Run results for: arr.slice(-1)[0] vs arr[arr.length - 1]

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/114.0.0.0 Safari/537.36

Browser: Chrome 114

Operating system: Windows

Device Platform: Desktop

Date tested: 10 months ago

Test name	Executions per second
arr.slice(-1)[0]	5648000.0 Ops/sec
arr[arr.length - 1]	4830734.0 Ops/sec

Script Preparation code:

var arr = Array(100000).fill(1);

Tests: