var Mystr = "Computer";
var Mynum = 100;
var Myboolean = false;
var Myobj;
var Mynum1; //declared but not assigned any value
var Myobj1;
Myobj = new Date();
Myobj1 = null; //null is taken as object type
document.write("Mynum = " + typeof(Mynum) + "<br/>");
document.write("Myboolean = " + typeof(Myboolean) + "<br/>");
document.write("Myobj = " + typeof(Myobj) + "<br/>");
document.write("Myobj1 = " + typeof(Myobj1) + "<br/>");
document.write("Mynum1 = " + typeof(Mynum1) + "<br/>");
document.write("Mystr = " + typeof(Mystr) + "<br/>");