Interview Questions
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- What is the difference b/w
const,letandvar?constis immutable.varis hoisted.letis scoped.
- Explain prototypical inheritance
- What does
thismean in JavaScript? - What is the data structure of the DOM?
- Tree
- What is a Stack and a Queue? How would you create those data structures in JavaScript?
- How can you tell if an image element is loaded on a page?
- onload
- What is
call()andapply()?- Ways of changing scope of a function.
- What is event delegation and what are the performance tradeoffs?
- What is a Worker? When would you use one?
- Used to offload computationally expensive tasks.
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