NOTE: All images from Jonas Schmedtmann's The Complete Javascript Course 2020

arguments Keyword

• it's not used that much in modern JS, but it's still good to know about it
• regular functions, like addExpr get an arguments keyword and arrow functions don't (just like with the this keyword)
  • 
• it is completely valid to add more arguments than there are parameters, they are just unnamed
  • 
• arrow functions, like addArrow do not have the arguments keyword
  •