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

Run details:

User agent: Mozilla/5.0 (iPhone; CPU iPhone OS 12_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Mobile/16B92 QQ/7.8.8.420 V1_IPH_SQ_7.8.8_1_APP_A Pixel/1242 Core/WKWebView Device/Apple(iPhone X) NetType/WIFI QBWebViewType/1 WKType/1

Browser: Mobile Safari 12

Operating system: iOS 12.1

Device Platform: Mobile

Date tested: 5 years ago

Test name	Executions per second
slice	10505360.0 Ops/sec
substr	6288008.0 Ops/sec
substring	877.5 Ops/sec

Script Preparation code:

var example = 'there is no spoon'

Tests:

slice
var result = example.slice(10)
substr
var result = example.substr(10)
substring
var result = example.substring(10)

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

Compares slice, substr and substring to each other when there is only a start index

slice

substr

substring