Javascript interview questions part 35
Javascript interview questions part 35
Take as many assements as you can to improve your validate your skill rating
Total Questions: 20
1. Which status code indicates that the server could not find the resource requested?
Correct Answer is : 404
2. What is the maximum size of an IP packet for IPv4 or IPv6?
Correct Answer is : 65535
3. How can we define the term Performance?
Correct Answer is : Speed at which application functions
4. When is an application said to show a web performance?
Correct Answer is : Time to load
5. When is an application said to show a runtime performance?
Correct Answer is : Speed of response to user
6. What does the span of time waiting for the page to be useful depend on?
Correct Answer is : Web performance
7. What is the advantage of the code produced graphics being smaller than the images themselves?
Correct Answer is : Bandwidth saving
8. In order to skip or seek to the desired location in a sound or video, which property becomes helpful?
Correct Answer is : currentTime
9. Which of the following shows a better runtime performance for coalescing functionality, using functions, and using objects?
Correct Answer is : Firefox UsingFunct
10. Which of the following shows a poorer runtime performance for coalescing functionality, using functions, and using objects?
Correct Answer is : Firefox unwoundfun
11. In how many modes can the Closure compiler be run?
Correct Answer is : 2
12. What is the purpose of the advanced mode in the Closure compiler?
Correct Answer is : Renaming the variables and other parameters
13. How many read-only attributes are present in the navigator object?
Correct Answer is : 2
14. Why are HTTP redirects significant?
Correct Answer is : Complete roundtrip absent
15. Where does the DNS reply go to in a single HTTP redirect?
Correct Answer is : Browser
16. How can one access the redirectCount property?
Correct Answer is : performance.navigation.redirectCount
17. How many constant values can the property type be represented?
Correct Answer is : 4
18. Which of the following constants has the value 255?
Correct Answer is : TYPE_RESERVED
19. What is the purpose of the constant TYPE_RELOAD?
Correct Answer is : Reload performed
20. What does the constant TYPE_BACK_FORWRD indicate?
Correct Answer is : Navigation via browser history
