var test1 =typeof a
var b = {}var test2 =typeof b
var c =5var test3 =typeof c
var d ="hello world"var test4 =typeof d
vare=function() {}var test5 =typeof e
var f =nullvar test6 =typeof f
var g =undefinedvar test7 =typeof g
var h =truevar test8 =typeof h
var i = []var test9 =typeof i