CommerceBasic And Variables MCQs
Practice Basic And Variables MCQs for competitive exams.
Basic And Variables MCQs
Practice questions from this topic.
Local Variables are destroyed after execution of function.
- A. True
- B. False
Correct Answer: A
Variable declared inside JavaScript Function will be called as ____________.
- A. Local Variables
- B. Global Variables
- C. Area Variables
- D. Reference Variables
Correct Answer: A
Underscore can be used as first letter while declaring variable in JavaScript.
- A. True
- B. False
Correct Answer: A
Multiple Declarations of variables are separated by ___________ symbol.
- A. Comma
- B. Semicolon
- C. Asterisk
- D. Colon
Correct Answer: A
Initialization of variable can be done by writing _____ operator in between variable name and operand value.
- A. EQUALS
- B. =
- C. VALUE
- D. ==
Correct Answer: B
Java Script Variable should be Case ___________.
- A. Non Sensitive
- B. Sensitive
Correct Answer: B
Spaces,Punctuation marks are called as __________ Symbols in JavaScript.
- A. Punctual
- B. None of these
- C. Mandetory
- D. Special
Correct Answer: D
We can declare ___________ at a time. Select most appropriate option.
- A. One or more Variables
- B. More than One Variables
- C. One Variable Only
- D. None of these
Correct Answer: A
Integer Variable is declared using following syntax in JavaScript.
- A. int num
- B. Integer num
- C. var num
- D. None of the above
Correct Answer: C
Variable can hold ________ value at a time.
- A. Multiple
- B. Single
- C. None of these
- D. Double
Correct Answer: B
JavaScript was invented at _______ Lab.
- A. AT&T Bell LAb
- B. Google Lab
- C. Sun Microsystem
- D. Netscape
Correct Answer: D
JavaScript is invented by ________.
- A. Helsinki, Linus
- B. W3 Group
- C. Brendan Eich
- D. James Gosling
Correct Answer: C