What will be the output of the following code snippet const obj1 = {Name: "Hello", Age: 16}; const obj2 = {Name: "Hello", Age: 16}; console.log(obj1 === obj2);  

1.  true

2.  false

3.  Undefined

4.  None of the above

View Answer  
4
Correct Answer :

false


Explanation :
No Explanation available for this question

What happens when we run this code function dog() { print("I am a dog."); } dog.sound = "Bark";  

1.  Syntax Error

2.  “I am a dog” gets printed

3.  Reference Error

4.  Nothing happens

View Answer  
4
Correct Answer :

Nothing happens


Explanation :
No Explanation available for this question

What will be the output of the following code snippet function test(...args) { console.log(typeof args); } test(12);  

1.  NaN

2.  Number

3.  Object

4.  Array

View Answer  
4
Correct Answer :

Object


Explanation :
No Explanation available for this question

What will be the output of the following code snippet const obj1 = {first: 20, second: 30, first: 50}; console.log(obj1);  

1.  {first: 20, second: 30};

2.  {first: 50, second: 30};

3.  {first: 20, second: 30, first: 50};

4.  Syntax Error

View Answer  
4
Correct Answer :

{first: 50, second: 30};


Explanation :
No Explanation available for this question

Which of the following is the correct output for the following JavaScript code var grade='Z'; var result; switch(grade) { case'A': result+="10"; case'B': result+=" 9"; case'C': result+=" 8"; default: result+=" 0"; } console.log(result);  

1.  10

2.  17

3.  18

4.  0

View Answer  
4
Correct Answer :

0


Explanation :
No Explanation available for this question

What will be the output of the following JavaScript code var str = "40"; var num =50; console.log(str + num);  

1.  4050

2.  90

3.  40

4.  Error

View Answer  
4
Correct Answer :

4050


Explanation :
No Explanation available for this question

Which one of the following is correct output for the following given JavaScript code var obj= { length:20, height:35, } if('breadth' in obj === false) { obj.breadth = 12; } console.log(obj.breadth);  

1.  Error

2.  Undefined

3.  12

4.  20

View Answer  
4
Correct Answer :

12


Explanation :
No Explanation available for this question

Which one of the following is the correct output for the following given JavaScript code function height() { var height=123.56; var type =(height>=190)?"Taller":"Little short"; return type; } console.log(height())  

1.  123.56

2.  Taller

3.  Little short

4.  190

View Answer  
4
Correct Answer :

Little short


Explanation :
No Explanation available for this question

Which one of the following is the correct output for the following given JavaScript code: function outputfun(object) { const place = object object.place: "Earth"; return "clean:"+ place; } console.log(outputfun({place:"Moon"}));  

1.  clean:Moon

2.  clean:Earth

3.  Error

4.  undefined

View Answer  
4
Correct Answer :

clean:Moon


Explanation :
No Explanation available for this question

What will be the output of the following JavaScript code const obj1 = { property1:21 } const descriptor1 =Object.getOwnPropertyDescriptor(obj1,'property1'); console.log(descriptor1.configurable); console.log(descriptor1.enumerable);  

1.  true 21

2.  true false

3.  false false

4.  true true

View Answer  
4
Correct Answer :

true true


Explanation :
No Explanation available for this question
Previous Next

Interview Questions

MongoDB
Java Script
Node JS
PHP
JQuery
Python