Run results for: Suffix search with String Reverse, Split vs Spread

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/81.0.4044.138 Safari/537.36 Edg/81.0.416.72

Browser: Chrome 81

Operating system: Windows

Device Platform: Desktop

Date tested: 4 years ago

Test name	Executions per second
<= ES5 Split	224361.4 Ops/sec
>= ES6 Spread	216770.2 Ops/sec

Script Preparation code:

var str = "this is an example user supplied string of some length";
var search = "length";

Tests:

<= ES5 Split
str.split('').reverse().join('').indexOf(search.split('').reverse().join('')) === 0
>= ES6 Spread
[...str].reverse().join('').indexOf([...search].reverse().join('')) === 0