Run results for: Closure vs arrow function

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:122.0) Gecko/20100101 Firefox/122.0

Browser: Firefox 122

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

Test name	Executions per second
Closure	627074496.0 Ops/sec
Arrow function	620963712.0 Ops/sec

Script Preparation code:

var msg = "test";
var sayClosure = function() {
  var d = msg;
}

this.msg = "test";
var sayArrow = () => {
  var d =  this.msg;
}

​x
 
var msg = "test";var sayClosure = function() {  var d = msg;}​this.msg = "test";var sayArrow = () => {  var d =  this.msg;}

Tests: