JavaScript Mock Test 10

10%

Question 1 of 10

1. Which of the following is not a navigator method?

postEnabled

reference

preference

postreference

Question 1 of 10

Question 2 of 10

2. What is the code snippet to change the class and let the stylesheet specify the details?

timestamp.className = "highlight";

timestamp.className = "change";

timestamp.className = "specify";

timestamp.className = "move";

Question 2 of 10

Question 3 of 10

3. Which of the following can be used as a prefix for Directive?

ng-

All of the mentioned

None of the mentioned

data-

Question 3 of 10

Question 4 of 10

4. What would happen if the data in the client had been wrong?

Waits for correction

Sends back the data and Waits for correction

Sends back the data

Returns the data instantly

Question 4 of 10

Question 5 of 10

5. What is a Model in MVC?

None of the mentioned

represents data stored in a database

represents server-side data

the lowest level of the pattern responsible for maintaining data

Question 5 of 10

Question 6 of 10

6. What will be the work of the getAvg in the following JavaScript function?

<script>
function getAvg(){
var avg = 0;
for(var x = 0; x < 200; x++){
avg += x;
}
return(avg/200);
}

Multiples values from 0 to 200

Find the average of 199 numbers

Adds values from 0 to 200

Simply traverses with no operation

Question 6 of 10

Question 7 of 10

7. What happens when a View Model is destroyed?

doesn't affect even listeners

all event listeners are should be manually removed

all event listeners are automatically removed

none of the mentioned

Question 7 of 10

Question 8 of 10

8. Which of the following has a greater benchmark time for looping and JQuery vs core JavaScript in milliseconds?

Chrome JQuery

Firefox JQuery

Chrome JavaScript

Firefox JavaScript

Question 8 of 10

Question 9 of 10

9. What is the purpose of the Attr object in the HTML DOM?

CSS attribute

Used to arrange elements

Used to focus on a particular part of the HTML page

HTML Attribute

Question 9 of 10

Question 10 of 10

10. Which of the following is the default size of H3 bootstrap heading?

24px

12px

48px

36px

Question 10 of 10