Which of the following is not a reserved word in JavaScript

1.  interface

2.  throws

3.  program

4.  short

View Answer  
4
Correct Answer :

program


Explanation :
No Explanation available for this question

Predict the output of the following JavaScript code. var a = "javascript"; var result = a.substring(2, 3); document.write(result);  

1.  av

2.  vs

3.  v

4.  s

View Answer  
4
Correct Answer :

v


Explanation :
No Explanation available for this question

A proper scripting language is a

1.  High level programming language

2.  Assembly level programming language

3.  Machine level programming language

4.  Low level programming language

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4
Correct Answer :

High level programming language


Explanation :
No Explanation available for this question

JavaScript Code can be called by using

1.  RMI

2.  Triggering Event

3.  Preprocessor

4.  Function/Method

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4
Correct Answer :

Function/Method


Explanation :
No Explanation available for this question

Which of the following is not considered as an error in JavaScript

1.  Syntax error

2.  Missing of semicolons

3.  Division by zero

4.  All of the mentioned

View Answer  
4
Correct Answer :

Division by zero


Explanation :
No Explanation available for this question

The escape sequence ‘f’ stands for

1.  Floating numbers

2.  Representation of functions that returns a value

3.  f is not present in JavaScript

4.  Form feed

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4
Correct Answer :

Form feed


Explanation :
No Explanation available for this question

The snippet that has to be used to check if “a” is not equal to “null” is

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

The statement a===b refers to

1.  Both a and b are equal in value, type and reference address

2.  Both a and b are equal in value

3.  Both a and b are equal in value and type

4.  There is no such statement

View Answer  
4
Correct Answer :

Both a and b are equal in value and type


Explanation :
No Explanation available for this question

The unordered collection of properties, each of which has a name and a value is called

1.  String

2.  Object

3.  Serialized Object

4.  All of the mentioned

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4
Correct Answer :

Object


Explanation :
No Explanation available for this question

What will be the output of the following JavaScript code function printArray(a) { var len = a.length, i = 0; if (len == 0) console.log("Empty Array"); else { do { console.log(a[i]); } while (++i < len); } } printArray([ 1, 2, 3, 4, 5 ]);  

1.  Prints the numbers in the array in order

2.  Prints the numbers in the array in the reverse order

3.  Prints 0 to the length of the array

4.  Prints "Empty Array"

View Answer  
4
Correct Answer :

Prints the numbers in the array in order


Explanation :
No Explanation available for this question
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