Run results for: array[array.length - 1] vs array.at(-1)

Run details:

User agent: Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:108.0) Gecko/20100101 Firefox/108.0

Browser: Firefox 108

Operating system: Windows 7

Device Platform: Desktop

Date tested: one year ago

Test name	Executions per second
array[array.length - 1]	779270000.0 Ops/sec
array.at(-1)	519682500.0 Ops/sec

Script Preparation code:

var array = [1,2,3];

Tests: