var test1 = typeof a

var b = {}
var test2 = typeof b

var c = 5
var test3 = typeof c

var d = "hello world"
var test4 = typeof d

var e = function() {}
var test5 = typeof e

var f = null
var test6 = typeof f

var g = undefined
var test7 = typeof g

var h = true
var test8 = typeof h

var i = []
var test9 = typeof i
