JavaScript Fundamentals
15+ curated interview questions.
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Javascript interview questions and answers for beginners to advanced candidates.
Total questions
192+
Theory · MCQs · coding
Sets & tracks
14+
Structured for revision
Topics covered
33+
In-depth roadmap

15+ curated interview questions.
15+ curated interview questions.
15+ curated interview questions.
13+ curated interview questions.
13+ curated interview questions.
14+ curated interview questions.
12+ curated interview questions.
15+ curated interview questions.
15+ curated interview questions.
14+ curated interview questions.
12+ curated interview questions.
10+ curated interview questions.
14+ curated interview questions.
12+ curated interview questions.
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What is JavaScript primarily used for?
What is the main difference between var and let?
What will be the output? console.log(x); var x = 5;
What happens when you access a let variable before its declaration?
How many primitive data types are there in JavaScript?
What does typeof null return in JavaScript?
What is the difference between == and === in JavaScript?
What is the key difference between null and undefined?
What will be the output of: '5' + 3 - 2
How many falsy values are there in JavaScript?
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