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Add new modern JavaScript interview questions (#477–#486) #329

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10 changes: 10 additions & 0 deletions README.md
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| 474 | [What is module scope in JavaScript?](#what-is-module-scope-in-javascript) |
| 475 | [What are shadowing and illegal shadowing?](#what-are-shadowing-and-illegal-shadowing) |
| 476 | [Why is it important to remove event listeners after use?](#why-is-it-important-to-remove-event-listeners-after-use) |
| 477 | [What is optional chaining (?.) in JavaScript?](#what-is-optional-chaining-in-javascript) |
| 478 | [What is nullish coalescing (??) and how is it different from || ?](#what-is-nullish-coalescing) |
| 479 | [What is Promise.any and when should it be used?](#what-is-promise-any) |
| 480 | [What is BigInt and how is it different from Number?](#what-is-bigint) |
| 481 | [What are private class fields in JavaScript (#field)?](#what-are-private-class-fields) |
| 482 | [What is the Array.prototype.at method and why is it useful?](#what-is-array-prototype-at) |
| 483 | [What is top-level await in JavaScript modules?](#what-is-top-level-await) |
| 484 | [What are WeakRef and FinalizationRegistry used for?](#what-are-weakref-and-finalizationregistry) |
| 485 | [What are logical assignment operators (&&=, ||=, ??=)?](#what-are-logical-assignment-operators) |
| 486 | [What is the Temporal API and why is it proposed as a replacement for Date?](#what-is-the-temporal-api) |
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