Consider the JavaScript Code:var y = “12”; functions f()

UGC NET COMPUTER SCIENCE  QUESTION NUMBER TWO ANSWER 

Q.2.) : Consider the JavaScript Code:
 var y = “12”;
 functions f()
{
 var y = “6”;
 alert(this.y);
 function g ()
{
alert (y) ; }
 g();
}
 f() ;

 If M is the number of alert dialog boxes generated by this JavaScript code and D1, D2 ….DM represents the content displayed in each of the M dialog Boxes, then :

A) M=3; D1 displays “12” ; D2 displays “6”; D3 displayed “12”.
B) M=3; D1 displays “6” ; D2 displays “12”; D3 displayed “6”.
C) M=2; D1 displays “6” ; D2 displays “12”;
D) M=2; D1 displays “12” ; D2 displays “6”;


 Correct Answer: D) M=2; D1 displays “12” ; D2 displays “6”;