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

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:109.0) Gecko/20100101 Firefox/110.0

Browser: Firefox 110

Operating system: Mac OS X 10.15

Device Platform: Desktop

Date tested: one year ago

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)