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Total Questions

174

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Algorithms 1 Computer Systems 1 Data Structures 8 JavaScript 80 Programming Languages 46 React Native 38
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Medium
3

What is a Promise?

JavaScript
Medium
4

Explain arrow function differences

JavaScript
Hard
4

What is the Temporal Dead Zone?

JavaScript
Medium
3

How does `this` work in JavaScript?

JavaScript
Hard
4

What is prototype inheritance?

JavaScript
Easy
5

What is the output of `typeof NaN`?

JavaScript
Medium
3

Explain event delegation

JavaScript
Medium
3

What is a pure function?

JavaScript
Easy
3

What is the difference between == and ===?

JavaScript
Hard
8

Explain CORS

JavaScript
Medium
3

What is a IIFE?

JavaScript
Medium
3

What is memoization?

JavaScript
Easy
5

Explain the spread operator

JavaScript
Hard
4

What is the call stack?

JavaScript
Easy
1

What's the difference between var, let, and const?

JavaScript
Medium
1

Explain async/await syntax

JavaScript
Medium
1

What is event bubbling and capturing?

JavaScript
Medium
2

Explain ES6 module system

JavaScript
Medium
1

What is the difference between Map and Object?

JavaScript
Hard
5

What is the output order of setTimeout(0)?

JavaScript