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

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.13; rv:66.0) Gecko/20100101 Firefox/66.0

Browser: Firefox 66

Operating system: Mac OS X 10.13

Device Platform: Desktop

Date tested: 5 years ago

Script Preparation code:

var example = 'there is no spoon'

Tests: