What will be the output of the following code snippet console.log(typeof(NaN));  

1.  Number

2.  Object

3.  String

4.  None of the above

View Answer  
4
Correct Answer :

Number


Explanation :
No Explanation available for this question

What will be the output of the following code snippet console.log(typeof typeof 5);  

1.  object

2.  number

3.  string

4.  None of the above

View Answer  
4
Correct Answer :

string


Explanation :
No Explanation available for this question

What will be the output of the following code snippet let sum = 0; const a = [4, 2, 3]; a.forEach(getSum); console.log(sum); function getSum(ele) { sum += ele; }  

1.  9

2.  1

3.  2

4.  None of the above

View Answer  
4
Correct Answer :

9


Explanation :
No Explanation available for this question

What will be the output of the following code snippet a = [1, 2, 3, 4, 5]; console.log(a.slice(2, 4));  

1.  [3,4]

2.  [2,3]

3.  [3,4,5]

4.  [2,3,4]

View Answer  
4
Correct Answer :

[3,4]


Explanation :
No Explanation available for this question

What will be the output of the following code snippet console.log(parseInt("123Hello")); console.log(parseInt("Hello123"));  

1.  123 NaN

2.  123Hello Hello123

3.  NaN NaN

4.  123 123

View Answer  
4
Correct Answer :

123 NaN


Explanation :
No Explanation available for this question

What will be the output of the following code snippet var a = "hello"; var sum = 0; for(var i = 0; i < a.length; i++) { sum += (a[i] - 'a'); } console.log(sum);  

1.  45

2.  NaN

3.  0

4.  None of the above

View Answer  
4
Correct Answer :

NaN


Explanation :
No Explanation available for this question

What will be the output of the following code snippet var a = "hello"; var sum = 0; for(var i = 0; i < a.length; i++) { sum += (a[i] + 'a'); } console.log(sum);  

1.  0haealalaoa

2.  NaN

3.  0

4.  None of the above

View Answer  
4
Correct Answer :

0haealalaoa


Explanation :
No Explanation available for this question

What will be the output of the following code snippet const example = ({ a, b, c }) => { console.log(a, b, c); }; example(0, 1, 2);  

1.  0 1 2

2.  0 Undefined Undefined

3.  Undefined Undefined Undefined

4.  None of the above

View Answer  
4
Correct Answer :

Undefined Undefined Undefined


Explanation :
No Explanation available for this question

What will be the output of the following code snippet let a = [1, 2, 3, 4, 5, 6]; var left = 0, right = 5; var found = false; var target = 5; while(left

1.  YES

2.  NO

3.  Syntax Error

4.  None of the above

View Answer  
4
Correct Answer :

YES


Explanation :
No Explanation available for this question

What will be the output of the following code snippet let s = "00000001111111"; let l = 0, r = s.length - 1, ans = -1; while(l

1.  8

2.  7

3.  0

4.  1

View Answer  
4
Correct Answer :

7


Explanation :
No Explanation available for this question
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