Default Parameters

default.js

function foo(a=5) {
  console.log(a);
}

a() //This should log 5

a(undefined) //This should log undefined what's the point of passing undefined if passing nothing does the same

function foo2(a=5, b=10) {
  console.log(a, b);
}

foo2(,undefined) //This should be possible and log 5, undefined

//Sorry Correct me if this has been discussed.