Which of the following options would be the correct output for the given JavaScript code var size=5; var x=5; var size=4; for(var j=size;j>=0;j--) { console.log(x); x=x-2; }  

1.  5 5 5 5

2.  5 3 2 1

3.  5 3 1

4.  5 3 1 -1 -3

View Answer  
4
Correct Answer :

5 3 1 -1 -3


Explanation :
No Explanation available for this question

Which of the following options would be the correct output for the given JavaScript code let x=0; for(x;x

1.  Error

2.  10

3.  0 1 2 3 4 5 6 7 8 9

4.  0

View Answer  
4
Correct Answer :

10


Explanation :
No Explanation available for this question

What will be the function of the following JavaScript code var scope = "global scope"; function checkscope() { var scope = "local scope"; function f() { return scope; } return f; }  

1.  Returns value null

2.  Returns exception

3.  Returns the value in scope

4.  Shows an error message

View Answer  
4
Correct Answer :

Returns the value in scope


Explanation :
No Explanation available for this question

Among the following given JavaScript snipped codes, which is more efficient Code A:  for(var number=10;number>=1;number--) { console.log(number); } Code B:  var number=10; while(number>=1) { document.writeln(number); number++; }  

1.  Code A

2.  Code B

3.  Both Code A and Code B

4.  Cannot Compare

View Answer  
4
Correct Answer :

Code A


Explanation :
No Explanation available for this question

What will happen, if the following JavaScript code is executed let count = 0; while (count

1.  An error is displayed

2.  An exception is thrown

3.  The values of count variable are logged or stored in a particular location or storage

4.  The value of count from 0 to 9 is displayed in the console

View Answer  
4
Correct Answer :

The value of count from 0 to 9 is displayed in the console


Explanation :
No Explanation available for this question

Which of the following given functions of the Number Object formats a number with a different number of digits to the right of the decimal

1.  toExponential()

2.  toFixed()

3.  toPrecision()

4.  toLocaleString()

View Answer  
4
Correct Answer :

toFixed()


Explanation :
No Explanation available for this question

Which of the following function of the String object returns the character in the string starting at the specified position via the specified number of characters

1.  slice()

2.  split()

3.  substr()

4.  search()

View Answer  
4
Correct Answer :

substr()


Explanation :
No Explanation available for this question

In JavaScript the x===y statement implies that

1.  Both x and y are equal in value, type and reference address as well.

2.  Both are x and y are equal in value only.

3.  Both are equal in the value and data type.

4.  Both are not same at all.

View Answer  
4
Correct Answer :

Both are equal in the value and data type.


Explanation :
No Explanation available for this question

Choose the correct snippet from the following to check if the variable "a" is not equal to the "NULL":

1.  if(a!==null)

2.  if (a!)

3.  if(a!null)

4.  if(a!=null)

View Answer  
4
Correct Answer :

if(a!==null)


Explanation :
No Explanation available for this question

In JavaScript, what will be used for calling the function definition expression:

1.  Function prototype

2.  Function literal

3.  Function calling

4.  Function declaration

View Answer  
4
Correct Answer :

Function literal


Explanation :
No Explanation available for this question
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