JavaScript Mock Test 8

10%

Question 1 of 10

1. Which of the following handles painting the content on to the screen?

JavaScript Interpreter

UI Layer

Network Layer

Rendering engine

Question 1 of 10

Question 2 of 10

2. According to the workflow of a runtime logging, what happens after calculating the run time?

Either Display to screen or Log to server

Display to screen

Server to log

Log to server

Question 2 of 10

Question 3 of 10

3. Which of the following is an interface?

Time

PerformanceTiming

Performance

Timing

Question 3 of 10

Question 4 of 10

4. How many properties does a prototype object have?

Question 4 of 10

Question 5 of 10

5. What is the purpose of the property PerformanceTiming.navigationStart?

Ready to jump the navigation

Ready to end the navigation

Ready to changing the navigation

Ready for navigation

Question 5 of 10

Question 6 of 10

6. What is the significance of the JavaScript logging library loglevel?

Inconvenient

Lightweight

Unreliable

Minimal usage

Question 6 of 10

Question 7 of 10

7. What is the purpose of the constant TYPE_RELOAD?

Reload may be performed

Reload not performed

Reload performed

Reload must be performed

Question 7 of 10

Question 8 of 10

8. What will be the output of the following JavaScript function?

<script type="text/javascript">
var name1 = "Sanfoundry";
function DisplayName () {
var name2 = " The Best"; 
document.write(name1+name2); 
}
</script>

Object required error

SanfoundryThe Best

Javascript Error

Sanfoundry The Best

Question 8 of 10

Question 9 of 10

9. What is the return type of the method parseInt()?

Float

String

Date

Integer

Question 9 of 10

Question 10 of 10

10. What is necessary when we need to create a new field in craft?

Type of the input

Type of argument

Type of the output

Type of the field

Question 10 of 10