What will be the output of the following JavaScript code const myArray = ['h', 'e', 'l', 'l', 'o']; document.write(myArray[0]); document.write(myArray[1]);  

1.  he

2.  undefined

3.  ValueError

4.  TypeError

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4
Correct Answer :

he


Explanation :
No Explanation available for this question

What will be the output of the following JavaScript code let cars = ['Honda', 'Hyundai']; cars.push('Mahindra'); console.log(typeof cars + " " + cars);  

1.  array Honda,Hyundai,Mahindra

2.  string Honda,Hyundai,Mahindra

3.  object Honda,Hyundai,Mahindra

4.  object "Honda", "Hyundai", "Mahindra"

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4
Correct Answer :

object Honda,Hyundai,Mahindra


Explanation :
No Explanation available for this question

What will be the output of the following JavaScript code let cars1 = ['Honda', 'Hyundai']; let cars2 = cars1; cars1.push('Mahinda'); console.log(cars1 + "---" + cars2);  

1.  Honda,Hyundai,Mahinda---Honda,Hyundai

2.  Honda,Hyundai,Mahinda---Honda,Hyundai,Mahinda

3.  Honda,Hyundai ---Honda,Hyundai

4.  [Honda,Hyundai,Mahinda]---[Honda,Hyundai,Mahinda]

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4
Correct Answer :

Honda,Hyundai,Mahinda---Honda,Hyundai,Mahinda


Explanation :
No Explanation available for this question

What will be the output of the following JavaScript code var values = [10, 20, 30, 40]; var result = values.reduceRight(function(x,y){ return (x + y); }); document.write("Result: " + result);  

1.  Result: 40

2.  Result: 70

3.  Result: 90

4.  Result: 100

View Answer  
4
Correct Answer :

Result: 100


Explanation :
No Explanation available for this question

Which JavaScript method is used to call a function (a callback function) once for each array element

1.  for()

2.  traverse()

3.  forEach()

4.  foreach()

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4
Correct Answer :

forEach()


Explanation :
No Explanation available for this question

What will be the output of the following JavaScript code const values = [10, 20, 30]; const result = values.map(myFunction); document.write("Result: ", result); function myFunction(value, index, array) { return value * value; }  

1.  Result: 10,20,30

2.  Result: 10*10,20*20,30*30

3.  Result: 100,400,900

4.  ValueError

View Answer  
4
Correct Answer :

Result: 100,400,900


Explanation :
No Explanation available for this question

Which JavaScript method is used to create a new array with array elements that passes a test

1.  forEach()

2.  map()

3.  forMap()

4.  filter()

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4
Correct Answer :

filter()


Explanation :
No Explanation available for this question

Which JavaScript object works with the dates

1.  Date

2.  DateTime

3.  date

4.  dateTime

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4
Correct Answer :

Date


Explanation :
No Explanation available for this question

Which JavaScript statement(s) is correct to create Date object(s) with new Date() constructor

1.  new Date()

2.  new Date(year, month, day, hours, minutes, seconds, milliseconds)

3.  new Date(milliseconds)

4.  new Date(date string)

5.  All of the above

View Answer  
5
Correct Answer :

All of the above


Explanation :
No Explanation available for this question

What will be the output of the following JavaScript code const currDate = new Date(); document.write(currDate);  

1.  Tue Dec 21 2021 13:04:36 GMT+0530

2.  Tue Dec 21 2021 13:04:36 (India Standard Time)

3.  Tue Dec 21 2021 13:04:36::00::01 GMT+0530 (India Standard Time)

4.  Tue Dec 21 2021 13:04:36 GMT+0530 (India Standard Time)

View Answer  
4
Correct Answer :

Tue Dec 21 2021 13:04:36 GMT+0530 (India Standard Time)


Explanation :
No Explanation available for this question
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