Explore topic-wise MCQs in Javascript.

This section includes 9 Mcqs, each offering curated multiple-choice questions to sharpen your Javascript knowledge and support exam preparation. Choose a topic below to get started.

1.

WHAT_ARE_THE_THREE_IMPORTANT_MANIPULATIONS_DONE_IN_A_FOR_LOOP_ON_A_LOOP_VARIABLE??$

A. Updation, Incrementation, Initialization
B. Initialization,Testing, Updation
C. Testing, Updation, Testing
D. Initialization,Testing, Incrementation
Answer» C. Testing, Updation, Testing
2.

Which network allows you to distribute static assets like images, etc?

A. Content Delivery Network
B. Content Receiving Network
C. System Area Network
D. None of the mentioned
Answer» B. Content Receiving Network
3.

How does the YSlow for Mobile work as?

A. Bookwise
B. Booklet
C. Bookmaklet
D. All of the mentioned
Answer» D. All of the mentioned
4.

Which of the following is mandatory to run before running YSlow?

A. WebPageTest
B. FireBug
C. Both WebPageTest and FireBug
D. None of the mentioned
Answer» C. Both WebPageTest and FireBug
5.

How many rules are there in the YSlow version 2.0?

A. 23
B. 21
C. 27
D. 33
Answer» B. 21
6.

Which of the following can be used for a deeper analysis of the web page’s performance?$

A. WebPageTest
B. FireBug
C. YSlow
D. All of the mentioned
Answer» D. All of the mentioned
7.

Initially, YSlow was an extension of which browser?

A. Chrome
B. Firefox
C. IE
D. Opera
Answer» C. IE
8.

What are the two output formats YSlow uses?

A. TAP, JUnit
B. JIT, TRD
C. JKP, RFD
D. None of the mentioned
Answer» B. JIT, TRD
9.

How does PhantonJS use YSlow?

A. Queries
B. Statements
C. Command Line Prompt
D. Command Line Script
Answer» E.