Run results for: bind-vs-arrow

Run details:

User agent: Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:56.0) Gecko/20100101 Firefox/56.0

Browser: Firefox 56

Operating system: Windows 7

Device Platform: Desktop

Date tested: 6 years ago

Test name	Executions per second
bind	12871160.0 Ops/sec
arrow	43611788.0 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();