Top Javascript interview Questions & Answers | Theoretical, Practical and coding Challenges

Published: 21 April 2022
on channel: Slackbyte
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Top Javascript interview Questions & Answers | Theoretical, Practical and coding Challenges

Explain Hoisting in Javascript.
What is strict mode in Javascript ?
Explain Implicit Type Coercion in javascript
Difference between “ == “ and “ === “ operators.
What is an Immediately Invoked Function in JavaScript?
What is “this” ?
Explain call(), apply() and, bind() methods.
What is currying in JavaScript?
Explain Scope and Scope Chain in javascript.
Explain Closures in JavaScript.
What are object prototypes?
What are callbacks?
What is recursion in a programming language?
What is the use of a constructor function in javascript?
What is DOM?
What are arrow functions?
What are the rest parameter and spread operator?
What is the use of promises in Javascript?
What is Object Destructuring?
What is a Temporal Dead Zone?


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Most used Javascript Array methods:    • Most used Javascript Array methods | Top J...  
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Prototype in Javascript | Interview Question:    • Prototype in Javascript | Interview Question  
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setTimeout Interview Question | Asked in Google:    • setTimeout Interview Questions | Asked in ...  
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map(), filter() and reduce() in Javascript:    • map() , filter() and reduce() methods in J...  
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call(), apply() and bind() methods in Javascript :    • call(), apply() and bind() methods in Java...  
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25 most used strings methods in Javascript:    • 25 most used strings methods in Javascript...  
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Javascript Optional chaining (?.) :    • Optional chaining (?.) in Javascript | Whe...  
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Javascript Short-Circuiting and Nullish coalescing:    • Logical Short-Circuiting and Nullish coale...  
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Javascript Spread and Rest Operators:    • Javascript Spread Operators and Rest Param...  
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Javascript Primitives vs Reference Types:    • Primitives Vs Reference Types  | Why obj2 ...  
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Javascript Arrow function vs Regular function:    • Javascript Arrow function vs Regular funct...  
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Javascript "this" Keyword:    • Javascript "this" keyword | Golden rules f...  
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Object destructuring in Javascript:    • Javascript Object destructuring in ES6 | O...  
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Array destructuring in Javascript:    • JavaScript destructuring of Array | JS des...  
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Closures in Javascript Part1:    • Javascript Closures in depth | Part 2 | Pr...  
Closures in Javascript Part2:    • Javascript Closures in depth | Part 1 | Pr...  
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