Run results for: Performance Test: substring vs substr vs slice

Run details:

User agent: Mozilla/5.0 (Linux; Android 9; SAMSUNG SM-A530N/KSU3CSE1 Build/PPR1.180610.011) AppleWebKit/537.36 (KHTML, like Gecko) SamsungBrowser/9.2 Chrome/67.0.3396.87 Mobile Safari/537.36

Browser: Chrome Mobile 67

Operating system: Android

Device Platform: Mobile

Date tested: 4 years ago

Test name	Executions per second
slice	4610937.0 Ops/sec
substring	4632760.0 Ops/sec
substr	4689354.0 Ops/sec

Script Preparation code:

var string = "I am the god of hellfire, and I bring you..."

Tests:

slice
var substring = string.slice(17, 25);
substring
var substring = string.substring(17, 25);
substr
var substring = string.substr(17, 25);