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344 | 344 |
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345 | 345 | --- |
346 | 346 |
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347 | | -9. What is the difference between "let," "const," and "var" when declaring variables. |
| 347 | +### 9. What is the difference between "let," "const," and "var" when declaring variables. |
| 348 | +<details> |
| 349 | +<summary><b>Answer</b></summary> |
| 350 | + |
| 351 | + |
| 352 | +#### Articles |
| 353 | +- 📜 [var, let, and const in JavaScript – the Differences Between These Keywords Explained](https://www.freecodecamp.org/news/differences-between-var-let-const-javascript/) |
| 354 | +- 📜 [Difference between var, let and const keywords in JavaScript](https://www.geeksforgeeks.org/difference-between-var-let-and-const-keywords-in-javascript/) |
| 355 | + |
| 356 | + |
| 357 | +#### Videos |
| 358 | +- 🎬 [JavaScript Let vs Var vs Constant](https://youtu.be/XgSjoHgy3Rk?si=s-LGJ718BqqDV6E7) |
| 359 | +- 🎬 [let & const in JS 🔥Temporal Dead Zone](https://youtu.be/BNC6slYCj50?si=-O8qYF50913QkyuD) |
| 360 | +- 🎬 [Differences Between Var, Let, and Const](https://youtu.be/9WIJQDvt4Us?si=Mdd-PfA2nN_7P74-) |
| 361 | + |
| 362 | +</details> |
| 363 | + |
| 364 | +--- |
| 365 | + |
348 | 366 | 10. Explain the differences between "setTimeout" and "setInterval." |
349 | 367 | 11. How does the module system work in JavaScript (e.g., CommonJS, ES6 modules)? |
350 | 368 | 12. What is the difference between "map," "filter," and "reduce" in JavaScript? |
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