3 Questions
What is the format used to represent data in JSON?
The format used to represent data in JSON is a collection of key-value pairs enclosed in curly braces {}.
Give an example of a JSON object with multiple key-value pairs.
An example of a JSON object with multiple key-value pairs is {'name': 'John', 'age': 25, 'city': 'New York'}.
How can you access the value of a specific key in a JSON object?
You can access the value of a specific key in a JSON object by using dot notation or square bracket notation, like objectName.keyName or objectName['keyName'].
Study Notes
JSON Data Representation
- JSON data is represented as a collection of key-value pairs, where keys are strings and values can be strings, numbers, booleans, arrays, or objects.
JSON Object Structure
- A JSON object is enclosed in curly braces
{}and contains multiple key-value pairs separated by commas. - Example of a JSON object with multiple key-value pairs:
{ "name": "John Doe", "age": 30, " occupation": "Developer" }
Accessing JSON Object Values
- The value of a specific key in a JSON object can be accessed using the dot notation, e.g.,
objectName.keyName. - For example, in the JSON object
{ "name": "John Doe", "age": 30, "occupation": "Developer" }, the value of the "name" key can be accessed asjsonObject.name, which returns"John Doe".
Test your knowledge on JSON data format and learn how to represent data using JSON. This quiz covers the format of JSON, examples of JSON objects with multiple key-value pairs, and how to access specific values in a JSON object.
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