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22 lines
1.7 KiB
22 lines
1.7 KiB
The **client-side** and **server-side** refer to two distinct parts of a **web application** that work together to deliver functionality to users. Understanding their roles is essential for building efficient and responsive applications. |
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#### Client-Side |
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* **What it Does**: This is the part of the application that runs in the user’s browser. It handles **user interfaces** and interactions, allowing users to see and interact with the application. |
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* **Key Characteristics**: |
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* Executes **JavaScript code** directly in the browser to handle tasks like form validation, animations, and dynamic content updates (through DOM \-Document Object Model- updates). |
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* Manages rendering of HTML and CSS for a seamless visual experience. |
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* Often communicates with the server via **REST (Representational State Transfer)** APIs to fetch or send data asynchronously. |
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* **Examples**: |
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* Clicking a button that triggers a JavaScript function to show a popup. |
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* Fetching additional items on a page using `fetch()` or `axios` without a full page reload. |
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#### Server-Side |
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* **What it Does**: This part operates on the server and processes requests from the client, performing tasks like database queries, business logic, and serving responses. |
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* **Key Characteristics**: |
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* Executes server-side programming languages like Python, Java, or Node.js. |
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* Handles sensitive operations like authentication and data storage securely. |
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* Sends data to the client in structured formats (e.g., JSON) via **REST APIs** for rendering. |
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* **Examples**: |
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* Processing a login request by verifying credentials in a database. |
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* Returning a list of products in JSON format for the client to display dynamically.
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