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Total Questions

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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
1

Explain bind, call, and apply

JavaScript
Medium
1

What is function currying?

JavaScript
Medium
1

Difference between debounce and throttle?

JavaScript
Medium
1

Object.assign vs spread operator

JavaScript
Hard
6

What are generator functions?

JavaScript
Hard
7

What are Web Workers?

JavaScript
Medium
2

What is a Symbol?

JavaScript
Hard
6

Explain Proxy objects

JavaScript
Medium
1

fetch vs XMLHttpRequest

JavaScript
Medium
1

What is strict mode?

JavaScript
Medium
1

How to handle errors in promises?

JavaScript
Medium
1

Explain Array.reduce()

JavaScript
Medium
1

Object.freeze vs Object.seal

JavaScript
Easy
1

instanceof vs typeof

JavaScript
Easy
5

What is the difference between localStorage and sessionStorage?

JavaScript
Medium
1

Explain the Nullish Coalescing Operator (??)

JavaScript
Medium
1

What is Optional Chaining (?.)?

JavaScript
Hard
7

How does requestAnimationFrame differ from setTimeout?

JavaScript
Hard
7

Explain Service Workers and their use cases

JavaScript
Medium
1

What are Web Components?

JavaScript