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. Which of the following methods parses a JSON response in JavaScript?

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2. Which JavaScript function converts JSON data into a format suitable for POST requests?

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3. Which of the following is valid JSON for a mixed data type array?

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4. Can JSON values be functions?

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5. What is the default HTTP method for the fetch() function?

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6. Which JSON data type is used to represent a collection of items?

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7. Which tool can be used to measure JSON parsing performance in JavaScript?

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8. Which of the following JSON values is equivalent to "no value"?

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9. Which keyword defines a numeric range in JSON Schema?

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10. What happens when you pass a replacer function to JSON.stringify()?

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