JavaScript MCQ Test - 1
Que.1. What is the purpose of
<noscript> tag in Java Script?
A. Prevents
scripts on the page from executing.
B. Enclose
text to be displayed by non –JavaScript browsers.
C. Suppresses
the result to be displayed on the web page.
D. None
of the above.
Right Answer: B
Que.2. Java Script entities start with
___________and end with _____________
A. Semicolon,
colon
B. Semicolon,
Ampersand
C. Ampersand,
colon
D. Ampersand,
semicolon.
Right Answers: D
Que.3. Which of the following is a
server-side Java Script object?
A.
Function
B.
File
C.
FileUpload
D.
Date
Right Answer: B
Que.4. Which of the following is a
client-side Java Script object?
A. Function
B. File
C. FileUpload
D. Date
Right Answer: C
Que.5. Which of the following is the
correct way for writing Java Script array?
A. var
salaries = new Array(1:39438, 2:39839
3:83729)
B. var
salaries = new (Array1=39438, Array 2=39839
Array 3=83729)
C. var
salaries = new Array(39438, 39839,83729)
D. var
salaries = new Array() values = 39438, 39839
83729
Right Answer: C
Que.6. File is server-side JavaScript
object
A. True
B. False
Right Answer: B
Que.7. Which of the following syntax is
correct to refer an external script called “formValidation.js”?
A. <script
href = “formValidation.js”>
B. <script
source = “formValidation.js”>
C. <script
name = “formValidation.js”>
D. <script
src = “formValidation.js”>
Right Answers: D
Que.8. JavaScript supports all boolean
operators
A.
True
B.
False
Right Answer: B
Que.9. What is the alternate name for
Java script?
A. LimeScript
B. Both
a and d
C. ECMScript
D. ECMAScript
Right Answer: D
Que.10. What type of image map could be
used with Java Script?
A. Client-side
image maps
B. Server-side
image maps.
C. Both
A and B
D. Localhost
image maps
Right Answer: A
Que.11. Is it possible to declare a
variable in Java Script along its type?
A. Yes
B. No
Right Answer: A
Que.12. Which of the following are
capable of Java Script functions?
A. Returning
multiple values
B. Accepting
parameters and returning values
C. Accepting
parameters
D. All
choices are correct
Right Answer: C
Que.13. Which of the following is not a
valid JavaScript variable name?
A. 2java
B. _java_and_java_names
C. Javaandjava
D. None
of the above
Right Answer: A
Que.14. What java wrapper type is
created when a JavaScript object is sent to Java?
A.
ScriptObject
B.
JavaObject
C.
Jobject
D.
JSObject
Right Answer: D
Que.15. Which of the following is correct
to write “Hello World ” on the web page?
A. System.out.println(“Hello
World”)
B. print(“Hello
World”)
C. document.write(“Hello
World”)
D. response.write(“Hello
World”)
Right Answer: C
Que.16. How does Java Script store dates
in objects of Date type?
A. The
number of days since 1st, 1900
B. The
number of seconds since January 1st, 1970
C. The
number of milliseconds since January 1st,
1970
D. The
number of picoseconds since January 1st,
1970
Right Answer: C
Que.17. Java script can be used for
Storing the form’s content to a database file on the server.
A. False
B. True
Right Answer: A
Que.18. Which attribute needs to be
changed to make elements invisible?
A. Visibility
B. Visible
C. Invisibility
D. Invisible
Right Answer: A
Que.19. Which machine actually executed
the Java Script?
A.
The web server
B.
The machine which is running a web
server.
C.
Java Script engine
D.
Both A and C
Right Answer: B
Que.20. Which attribute is used to hold
the Java Script Version?
A. SCRIPT
B. VERSION
C. LANGUAGE
D. VER
Right Answer: C
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