Run results for: slice vs substr vs substring (with no end index)

Run details:

User agent: Mozilla/5.0 (iPad; CPU OS 12_3_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/12.1.1 Mobile/15E148 Safari/604.1

Browser: Mobile Safari 12

Operating system: iOS 12.3.1

Device Platform: Tablet

Date tested: 4 years ago

Script Preparation code:

var example = 'there is no spoon'

Tests: