Consider the following code snippet const pi=3.14; var pi=4; console.log(pi); What will be the output for the above code snippet

1.  This will flash an error

2.  Prints 4

3.  Prints 3.14

4.  Ambiguity

View Answer  
4
Correct Answer :

This will flash an error


Explanation :
No Explanation available for this question

Syntax for creating a RegExp object:1. var txt=new RegExp(pattern,attributes);2. var txt=/pattern/attributes;Which of the above mentioned syntax will correct

1.  1 only

2.  2 only

3.  Both 1 and 2

4.  None of the above

View Answer  
4
Correct Answer :

Both 1 and 2


Explanation :
No Explanation available for this question

Which statement about the reviver parameter in JSON.parse() is true

1.  All three statements are true

2.  Used to reform generic objects into instances of pseudo-classes

3.  A function that will be called for every key and value at every level of the final result

4.  Each value will be replaced by the result of the reviver function

View Answer  
4
Correct Answer :

All three statements are true


Explanation :
No Explanation available for this question

Which of the following function of Array object returns a string representing the array and its elements

1.  toSource()

2.  sort()

3.  splice()

4.  toString()

View Answer  
4
Correct Answer :

toString()


Explanation :
No Explanation available for this question

Which of the following function of Array object adds one or more elements to the end of an array and returns the new length of the array

1.  pop()

2.  push()

3.  join()

4.  map()

View Answer  
4
Correct Answer :

push()


Explanation :
No Explanation available for this question

Which of the following function of String object causes a string to be displayed in the specified size as if it were in a tag

1.  fixed()

2.  fontcolor()

3.  fontsize()

4.  bold()

View Answer  
4
Correct Answer :

fontsize()


Explanation :
No Explanation available for this question

Which of the following function of String object creates a string to be displayed in a big font as if it were in a tag

1.  anchor()

2.  big()

3.  blink()

4.  italics()

View Answer  
4
Correct Answer :

big()


Explanation :
No Explanation available for this question

Which of the following function of String object returns the characters in a string between two indexes into the string

1.  slice()

2.  split()

3.  substr()

4.  substring()

View Answer  
4
Correct Answer :

substring()


Explanation :
No Explanation available for this question

Which of the following function of Number object returns a string value version of the current number

1.  toString()

2.  toFixed()

3.  toLocaleString()

4.  toPrecision()

View Answer  
4
Correct Answer :

toString()


Explanation :
No Explanation available for this question

Which built-in method reverses the order of the elements of an array

1.  changeOrder(order)

2.  reverse()

3.  sort(order)

4.  None of the above.

View Answer  
4
Correct Answer :

reverse()


Explanation :
No Explanation available for this question
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