JavaScript interview questions commonly asked at companies like Microsoft,

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Understanding JavaScript's Variable Declarations: var, let, and const

Dive into the core differences between var, let, and const in JavaScript! This video covers var's function-scoping and its ability to be redeclared and updated, along with its hoisting behavior. We also explore let, which is block-scoped and can't be redeclared in the same scope but can be updated. Finally, we examine const, its block-scoping, mandatory initialization upon declaration, and its immutability. We also touch on how const works with both primitive and complex data types.

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avaScript interview questions commonly asked at companies like Microsoft, along with answers and explanations. These questions cover a range of topics such as scoping, hoisting, closures, promises, async/await, prototypes, ES6 features, and more

Async/Await
Q: How does async/await simplify promises? A: async/await allows writing asynchronous code that looks synchronous, improving readability by avoiding .then chains.