Run results for: es5 bind vs es6 arrow

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36

Browser: Chrome 130

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

arrow

4.2M/s

bind

4.1M/s

View exact numbers

Test name	Executions per second
✓ arrow	4,239,809 Ops/sec
bind	4,145,108 Ops/sec

Script Preparation code:

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