This quick 10-minute challenge consists of 10 random multiple-choice questions designed to test your knowledge across various JSON topics, including the introduction to JSON, JSON syntax and basics, data types, operations in JavaScript, APIs and JSON, advanced structures, JSON Schema, tools and debugging, as well as performance and security considerations. Whether you’re new to JSON or looking to refine your skills, this quiz will enhance your understanding of JSON’s role in modern web development.

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10 Minutes JSON Quiz Test Online

Welcome to the JSON Quiz! This quick 10-minute challenge consists of 10 random multiple-choice questions designed to test your knowledge across various JSON topics, including the introduction to JSON, JSON syntax and basics, data types, operations in JavaScript, APIs and JSON, advanced structures, JSON Schema, tools and debugging, as well as performance and security considerations. Whether you're new to JSON or looking to refine your skills, this quiz will enhance your understanding of JSON's role in modern web development.

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1. How can you debug a failing JSON API request in a browser?

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2. Which data structure is not directly supported by JSON?

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3. What is the output of JSON.stringify([1, undefined, 2])?

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4. What can be the root structure of a JSON document?

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5. What will JSON.stringify(true) return?

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6. What is a common format for API error responses?

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7. Which of the following JSON strings can be parsed without error?

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8. Which of the following status codes indicates a successful API request?

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9. Which of the following is the correct way to represent an empty JSON object?

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10. Which of these is a valid JSON string?

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