javascript JS棘手的吊装1

Posted 2021-05-03

function foo(){
  console.log(typeof bar);
  bar = "aa";
  console.log(typeof bar);
  
  function bar(){return "bar function";}
  
  console.log(typeof bar);
  var bar = 3;
  console.log(typeof bar);
}

foo();


/* ANSWER */
/*
function
string
string
number
*/