JavaScript Developer

What is `queueMicrotask()` used for?

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What does `String.prototype.padStart(5, ‘0’)` do to ’42’?

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What does `Array.prototype.flatMap()` do?

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What is `Promise.resolve(42)` equivalent to?

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What does the `in` operator check in JavaScript?

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What does `Number.isNaN(NaN)` return compared to the global `isNaN(NaN)`?

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Which method returns a new array with all elements that pass the implemented test?

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What does `Object.fromEntries()` do?

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What is the output of `[…’abc’]`?

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What does `String.prototype.replaceAll()` do?

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What is `globalThis` in JavaScript?

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What does `Array.prototype.some()` return?

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What is the purpose of `structuredClone()` in JavaScript?

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Which method checks if every element in an array passes a test?

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What does `Number.parseInt(‘0xFF’, 16)` return?

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What is the output of `Math.max(…[3, 1, 4, 1, 5])`?

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What does `Object.entries({a:1, b:2})` return?

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What is the purpose of the `Set` object in JavaScript?

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