QUESTION 1:
What is a difference between var and let in JavaScript?
JavaScript Junior
JavaScript job interview questions
QUESTION 2:
What types of loops exist in JavaScript?
JavaScript Junior
QUESTION 3:
What are the ES6+ features you use?
JavaScript Junior
QUESTION 4:
What is an event loop in JavaScript?
JavaScript Junior
QUESTION 5:
How are the 'async' and 'await' keywords used in JavaScript?
JavaScript Junior
QUESTION 6:
What is 'this' keyword in JavaScript?
JavaScript Junior
QUESTION 7:
Can you tell me what a promise is?
JavaScript Junior
QUESTION 8:
Can you name two programming paradigms important for JavaScript app developers?
JavaScript Junior
QUESTION 9:
What is functional programming?
JavaScript Mid-level
QUESTION 10:
What is the difference between classical inheritance and prototypal inheritance?
JavaScript Mid-level
QUESTION 11:
What are the pros and cons of functional programming vs object-oriented programming?
JavaScript Mid-level
QUESTION 12:
When is classical inheritance an appropriate choice?
JavaScript Mid-level
QUESTION 13:
When is prototypal inheritance an appropriate choice?
JavaScript Mid-level
QUESTION 14:
What does “favor object composition over class inheritance” mean?
JavaScript Mid-level
QUESTION 15:
What are two-way data binding and one-way data flow, and how are they different?
JavaScript Junior
QUESTION 16:
What is asynchronous programming, and why is it important in JavaScript?
JavaScript Mid-level
QUESTION 17:
What are the advantages of using JavaScript?
JavaScript Junior
QUESTION 18:
What are the disadvantages of using JavaScript?
JavaScript Junior
QUESTION 19:
Give an example of a time that you used functional programming in JavaScript.
JavaScript Mid-level
QUESTION 20:
Give an example of a time that you used Prototypal OO in JavaScript.
JavaScript Mid-level
QUESTION 21:
What is a RESTful Web Service?
ArchitectureHTTP protocolWeb services Mid-level
QUESTION 22:
Which frameworks are you most familiar with?
JavaScript Junior
QUESTION 23:
What is MEAN?
JavaScript Mid-level
QUESTION 24:
Can you describe what the Module Pattern is?
Design PatternsJavaScript Senior
QUESTION 25:
Explain the concept of closures in JavaScript
JavaScript Mid-level
QUESTION 26:
What is hoisting and what do you know about it?
JavaScript Mid-level
QUESTION 27:
Explain lexical scope in JavaScript
JavaScript Mid-level
QUESTION 28:
What does prototypal inheritance mean?
JavaScript Mid-level
QUESTION 29:
Explain "this" keyword
JavaScript Mid-level
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