
JavaScript Basics Quiz (Medium)
Authored by VIKAS BANDARU
Computers
University
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65 questions
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1.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Which declaration prevents re-assignment of the variable?
2.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Which one correctly generates a random number between 1 and 10 (inclusive)?
3.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
What is the output of '5' + 3?
4.
MULTIPLE SELECT QUESTION
20 sec • 1 pt
Which DOM method is used to access the element with id='score'?
5.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
What will the following return: typeof NaN?
number
NaN
undefined
object
null
6.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Which of the following are falsy values in JavaScript?
7.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
What is the correct way to attach a click event to a button in JS?
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