Modified JSON Sheet.
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JSON.md
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JSON.md
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}
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```
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## 1. Introduction to JSON
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## Introduction to JSON
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- JSON stands for **JavaScript Object Notation**.
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- It is a lightweight data interchange format.
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- JSON is language-independent and easy for humans to read and write.
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- Commonly used for data exchange between a server and web application, as well as for configuration files.
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## 2. JSON Data Types
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## JSON Data Types
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### 2.1 String
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### String
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- Represents a sequence of characters.
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- Enclosed in double quotes.
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- Example: `"Hello, World!"`
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### 2.2 Number
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### Number
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- Represents a numerical value (integer or floating-point).
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- Example: `42` or `3.14`
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### 2.3 Boolean
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### Boolean
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- Represents a logical value, either `true` or `false`.
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### 2.4 Array
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### Array
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- Ordered list of values.
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- Enclosed in square brackets `[]`.
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- Example: `[1, 2, "three", true]`
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### 2.5 Object
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### Object
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- Unordered collection of key-value pairs.
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- Enclosed in curly braces `{}`.
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- Example: `{"name": "John", "age": 30, "city": "New York"}`
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### 2.6 Null
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### Null
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- Represents a null or empty value.
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## 3. JSON Syntax
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## JSON Syntax
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- Data is represented in key-value pairs.
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- Keys are always strings and followed by a colon.
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- Objects are enclosed in curly braces `{}`.
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- Arrays are enclosed in square brackets `[]`.
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## 4. JSON Example
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## JSON Example
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```json
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{
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json.dump(data_to_write, json_file, indent=4)
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```
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## 6. Accessing JSON Data in JavaScript
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## Accessing JSON Data in JavaScript
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```javascript
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// Assuming jsonString is a JSON string
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console.log(jsonData.address.city); // Outputs: Anytown
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```
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## 7. Accessing JSON Data in PHP
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## Accessing JSON Data in PHP
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```php
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// Assuming jsonString is a JSON string
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