Run results for: Closure vs arrow function

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_6) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/14.1.2 Safari/605.1.15

Browser: Safari 14

Operating system: Mac OS X 10.14.6

Device Platform: Desktop

Date tested: one year ago

Test name	Executions per second
Closure	3386030.0 Ops/sec
Arrow function	7627054.0 Ops/sec

Script Preparation code:

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

Tests: