text: "use strict";
  
  
  // can you call a regular function without () ? 
  function oldway() {
      console.log(this)
  }
  
  oldway
  // no. this prints nothing. 
  
  // what about an arrow function? 
  let arrow = () => {
      console.log(this)
  }
  
  arrow
  // no. this prints nothing
  
  // what about const arrow
  const constArrow = () => {
      console.log(this)
  }
  
  constArrow
  // no. this prints nothing
  
  // all these calls work normally
  oldway()
  arrow()
  constArrow()
  
  