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Questions and Answers
Which data type is not supported in JSON?
Which data type is not supported in JSON?
- Boolean
- String
- Date (correct)
- Number
What is the correct syntax for defining a new object in JSON?
What is the correct syntax for defining a new object in JSON?
- { 'key': 'value' }
- { "key": "value" } (correct)
- [ key: value ]
- { key: value }
What is the correct way to represent an array of objects in JSON?
What is the correct way to represent an array of objects in JSON?
- [ { "key": "value" }, { "key": "value" } ] (correct)
- { key: value, key: value }
- [ { 'key': 'value' }, { 'key': 'value' } ]
- [ { key: value }, { key: value } ]
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Study Notes
JSON Data Types
- undefined is a data type that is not supported in JSON.
Defining Objects in JSON
- A new object in JSON is defined using curly braces {} and properties are defined in key-value pairs separated by commas.
Representing Arrays in JSON
- An array of objects in JSON is represented using square brackets [] and each object is defined using curly braces {} and separated by commas.
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