Consider the following code snippet :<br/> <pre> var grand_Total=eval("10*10+5");</pre><br/> The output for the above st

Consider the following code snippet :

 var grand_Total=eval("10*10+5")

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Consider the following code snippet :

 var grand_Total=eval("10*10+5");

The output for the above statement would be :

10*10+5

105 as a string

105 as an integer value

Exception is thrown

Answer : C

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1) Consider the following code snippet :

function constfuncs()
  {
     var funcs = [];
     for(var i = 0; i < 10; i++)
         funcs[i] = function()
 {
 return i;
 };
     return funcs; }
 var funcs = constfuncs();
 funcs[5]()

What does the last statement return ?

9

0

10

None of the mentioned

View Answer

2) 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

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

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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

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5) Which is an equivalent code to invoke a function m of class o that expects two arguments x and y?

o(x,y);

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

m(x,y);

o.m(x,y);

View Answer

Javascript MCQ - English

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Consider the following code snippet :

var grand_Total=eval("10*10+5")

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