Run results for: 1 var vs 2 vars vs 3 vars

Run details:

User agent: Mozilla/5.0 (Linux; Android 12; SAMSUNG SM-N975F) AppleWebKit/537.36 (KHTML, like Gecko) SamsungBrowser/22.0 Chrome/111.0.5563.116 Mobile Safari/537.36

Browser: Chrome Mobile 111

Operating system: Android

Device Platform: Mobile

Date tested: one year ago

Test name	Executions per second
Three	199.8 Ops/sec
two	185.6 Ops/sec
single	183.8 Ops/sec

Script Preparation code:

var array = new Array(65535).fill()

Tests:

Three
var a = array.map((x) => x) var b = array.map((x) => x) var c = array.map((x) => x)
two
var a = array.map((x) => x) var b = array.map((x) => x).map((x) => x)
single
var a = array.map((x) => x).map((x) => x).map((x) => x)

Run results for: 1 var vs 2 vars vs 3 vars

Three

two

single