Caching And Debugging MCQ question and answer in javascript with solution Page-5 section-1

41.
Where are memory leaks found?

A. Client side objects

B. Server side objects

C. Both Client side and Server side objects

D. None of the mentioned

Answer & Solution Discuss in Board Save for Later

42.
Which handler is triggered when the content of the document in the window is stable and ready for manipulation?

A. onload

B. manipulate

C. create

D. none of the mentioned

Answer & Solution Discuss in Board Save for Later

43.
What is the central concept of JavaScript memory management?

A. Reliability

B. Reachability

C. Efficiency

D. Transparency

Answer & Solution Discuss in Board Save for Later

44.
When does a memory leak happen?

A. Browser doesn’t release memory from objects unnecessary

B. Browser releases too many memories

C. All of the mentioned

D. None of the mentioned

Answer & Solution Discuss in Board Save for Later

45.
The style property belongs to while of the following object?

A. Element

B. Window

C. Location

D. None of the mentioned

Answer & Solution Discuss in Board Save for Later

46.
Which of the following functions are referenced internally?

A. setTimeout

B. setInterval

C. both setTimeout and setInterval

D. none of the mentioned

Answer & Solution Discuss in Board Save for Later

47.
What is the purpose of destroying the functions and objects?

A. Consume unnecessary CPU cycles

B. Prevent the dropping of reference count to 0

C. Centralize the responsibility to clean up

D. All of the mentioned

Answer & Solution Discuss in Board Save for Later

48.
When does a cycle occur during memory leak?

A. No reference occurs

B. Two objects reference

C. One object gets referenced

D. One object gets referenced

Answer & Solution Discuss in Board Save for Later

49.
Which of the following is a way to retain an object in memory?

A. Console Log

B. Closures

C. Destory objects

D. All of the mentioned

Answer & Solution Discuss in Board Save for Later

50.
In which format does JavaScript support external JavaScript?

A. .js

B. .php

C. .js/php

D. .jss

Answer & Solution Discuss in Board Save for Later

Caching And Debugging MCQ question and answer in javascript with solution

41. Where are memory leaks found?

Answer & Solution

42. Which handler is triggered when the content of the document in the window is stable and ready for manipulation?

Answer & Solution

43. What is the central concept of JavaScript memory management?

Answer & Solution

44. When does a memory leak happen?

Answer & Solution

45. The style property belongs to while of the following object?

Answer & Solution

46. Which of the following functions are referenced internally?

Answer & Solution

47. What is the purpose of destroying the functions and objects?

Answer & Solution

48. When does a cycle occur during memory leak?

Answer & Solution

49. Which of the following is a way to retain an object in memory?

Answer & Solution

50. In which format does JavaScript support external JavaScript?

Answer & Solution

Read More Section(Caching and Debugging )

41.
Where are memory leaks found?

42.
Which handler is triggered when the content of the document in the window is stable and ready for manipulation?

43.
What is the central concept of JavaScript memory management?

44.
When does a memory leak happen?

45.
The style property belongs to while of the following object?

46.
Which of the following functions are referenced internally?

47.
What is the purpose of destroying the functions and objects?

48.
When does a cycle occur during memory leak?

49.
Which of the following is a way to retain an object in memory?

50.
In which format does JavaScript support external JavaScript?