Consider the following code snippet :<br/> <pre> var c = counter(), d = counter();<br/> c.count()<br/> d.count()<br/>

Consider the following code snippet :

 var c = counter(), d = counter(

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Consider the following code snippet :

 var c = counter(), d = counter();
  c.count()
 d.count()
  c.reset()
  c.count()
  d.count()

The state stored in d is :

1

0

Null

Undefined

Answer : A

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1) Consider the following code snippet

function printprops(o)
  {
     for(var p in o)
       console.log(p + ": " + o[p] + "\n");
 }

2) Consider the following code snippet

o.m(x,y);

Which is an equivalent code for the above code snippet?

o.m(x) && o.m(y);

o["m"](x,y);

o(m)["x","y"];

o.m(x && y);

View Answer

3) Consider the following code snippet :

var string2Num=parseInt("123xyz");

The result for the above code snippet would be :

123

123xyz

Exception

NaN

View Answer

4) What is the difference between the two lines given below ?

  !!(obj1 && obj2); (obj1 && obj2);

Both the lines result in a boolean value “True”

Both the lines result in a boolean value “False”

Both the lines checks just for the existence of the object alone

The first line results in a real boolean value whereas the second line merely checks for the existence of the objects

View Answer

5) What is the purpose of a return statement in a function?

Returns the value and continues executing rest of the statements, if any

Returns the value and stops the program

Returns the value and stops executing the function

Stops executing the function and returns the value

View Answer

Consider the following code snippet :

var c = counter(), d = counter(