Run results for: class method vs arrow method

Run details:

User agent: Mozilla/5.0 (iPhone; CPU iPhone OS 18_2_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/18.2 Mobile/15E148 Safari/604.1

Browser: Mobile Safari 18

Operating system: iOS 18.2.1

Device Platform: Mobile

Date tested: one year ago

instance binder

77.3M/s

instance arrow

28.5M/s

single instance 1000 calls binder

3.5M/s

single instance 1000 calls arrow

3.3M/s

create 100 binders

94K/s

create 100 instances arrow

31K/s

View exact numbers

Test name	Executions per second
✓ instance binder	77,327,824 Ops/sec
instance arrow	28,529,700 Ops/sec
single instance 1000 calls binder	3,535,389 Ops/sec
single instance 1000 calls arrow	3,319,009 Ops/sec
create 100 binders	93,652 Ops/sec
create 100 instances arrow	30,934 Ops/sec

HTML Preparation code:

<!--your preparation HTML code goes here-->

Script Preparation code:

class Arrow{

method = ()=>{}
}
class Binder{

  constructor(){
  this.method.bind(this)
  }
  method(){}
}

Tests:

instance arrow
new Arrow().method()
instance binder
new Binder().method()
create 100 instances arrow
for(let i=0;i<1000;i++){ new Arrow().method() }
create 100 binders
for(let i=0;i<1000;i++){ new Binder().method() }
single instance 1000 calls arrow
const arrow = new Arrow() for(let i=0;i<1000;i++){ arrow.method() }
single instance 1000 calls binder
const binder = new Binder() for(let i=0;i<1000;i++){ binder.method() }