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Manage your learning questions and answers

How can we return more than one element in React?

Ultimate React & Next.jsJonas Schmedtmann
Crystal ClearFlagged9/1/2025
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How can we use Strict Mode in React?

Ultimate React & Next.jsJonas Schmedtmann
Crystal Clear9/1/2025
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How can we create a react app in React 18?

Ultimate React & Next.jsJonas Schmedtmann
Crystal Clear9/1/2025
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What happens if we have an async function where inside it we return (data), and outside it we console.log(data)?

JavaScript ReviewJonas Schmedtmann
Getting It9/1/2025
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What is the difference between fetch and Async/Await?

JavaScript ReviewJonas Schmedtmann
Getting ItFlagged9/1/2025
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How does fetch works? can you explain the process?

JavaScript ReviewJonas Schmedtmann
Getting ItFlagged9/1/2025
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What would you do if you wanted to remove properties from an object? and how can you update an object in an array?

JavaScript ReviewJonas Schmedtmann
Getting ItFlagged9/1/2025
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What would you do if you want to delete an object by its property in an array?

JavaScript ReviewJonas Schmedtmann
Getting It9/1/2025
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Explain how does sort method works, and does it mutate the original array?

JavaScript ReviewJonas Schmedtmann
Getting It9/1/2025
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Can reduce be used for more than math operations?

JavaScript ReviewJonas Schmedtmann
Getting ItFlagged9/1/2025
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What does the map, filter, and reduce methods do? how they work?

JavaScript ReviewJonas Schmedtmann
Getting ItFlagged9/1/2025
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How does Optional Chaining work? and why was it added to JavaScript? and can we have multiple of them in one line?

JavaScript ReviewJonas Schmedtmann
Getting It9/1/2025
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