Fun with class attrs and immediately invoked function expressions

fun_class_attrs_iffe.js

class Awesome {
  fn = ns => (console.log('instance function', this), this)
  static s_fn = ns => (console.log('static function', this), this)

  val = (ns => (console.log('instance iife', this), this))()
  static s_val = (ns => (console.log('static iife', this), this))()
}

console.log('Awesome.s_val', Awesome.s_val === Awesome, Awesome.s_val)
// true

console.log('Awesome.s_fn', Awesome.s_fn)
console.log('Awesome.s_fn()', Awesome.s_fn() === Awesome, Awesome.s_fn())
// true

let obj = new Awesome()
console.log('obj.val', obj.val === obj, obj.val)
// true

console.log('obj.fn', obj.fn)
console.log('obj.fn()', obj.fn() === obj, obj.fn())
// true