JAVASCRIPT FINAL EXAM
Authored by UKIZURU MUSTAPHA
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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is not a primitive data type in JavaScript?
a) Number
b) String
c) Boolean
d) Object
2.
MULTIPLE CHOICE QUESTION
30 sec • Ungraded
What is the output of the following code: let x = [1, 2, 3]; document.write(x[3]);
3.
MULTIPLE CHOICE QUESTION
30 sec • Ungraded
Which of the following is not a valid way to declare a function in JavaScript?
4.
MULTIPLE CHOICE QUESTION
30 sec • Ungraded
What is the output of the following code: let x = 10; function foo(){ console.log(x); } foo();
5.
MULTIPLE CHOICE QUESTION
30 sec • Ungraded
What is the output of the following code: let x = 2; x+=1; document.write(x);
6.
MULTIPLE CHOICE QUESTION
30 sec • Ungraded
What is the correct way to declare a variable in JavaScript?
7.
MULTIPLE CHOICE QUESTION
30 sec • Ungraded
What is the output of the following code: let x = [1, 2, 3]; console.log(x.length);
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