Run results for: bind-vs-arrow

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.106 YaBrowser/21.6.0.1108 Yowser/2.5 Safari/537.36

Browser: Yandex Browser 21

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: 3 years ago

Test name	Executions per second
bind	3570207.5 Ops/sec
arrow	3675623.2 Ops/sec

Script Preparation code:

class A {
  execute() {
    
  }
  
  callback1() {}
  
  callback2() {}
}

window.a = new A();

​x
 
class A {  execute() {      }    callback1() {}    callback2() {}}​window.a = new A();

Tests:

bind

a.execute = function () {
  let bound1 = this.callback1.bind(this);
  let bound2 = this.callback2.bind(this);
    
  bound1();
  bound2();
}
a.execute();

 
a.execute = function () {  let bound1 = this.callback1.bind(this);  let bound2 = this.callback2.bind(this);      bound1();  bound2();}a.execute();

arrow

a.execute = function () {
  let bound1 = () => this.callback1();
  let bound2 = () => this.callback2();
    
  bound1();
  bound2();
}
a.execute();

 
a.execute = function () {  let bound1 = () => this.callback1();  let bound2 = () => this.callback2();      bound1();  bound2();}a.execute();