Run results for: slice vs substring remove last char

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/88.0.4324.192 Safari/537.36

Browser: Chrome 88

Operating system: Windows

Device Platform: Desktop

Date tested: 3 years ago

Test name	Executions per second
slice	8299155.0 Ops/sec
substring	4084243.5 Ops/sec

Script Preparation code:

var str = 'HH:MM aa'

Tests: