What is the difference between front-end and back-end
Difference: The front-end mainly focuses on the user interface and user interaction, while the back-end is responsible for processing data and business logic. The two work together to build a complete web application.
Front-end and back-end play different roles in web development. The main differences are as follows:
-
Function:
- Front-end: Responsible for user interface and user experience, including the design, layout, interaction and style of web pages.
- Backend: Handles the logic and data operations of the application, including database management, server-side programming and business logic.
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Language and technology:
- Front-end: Mainly using technologies such as HTML, CSS and JavaScript, as well as front-end frameworks and libraries such as React, Angular, Vue et al.
- Backend: Various programming languages and frameworks can be used, such as Java (Spring Boot), Python (Django/Flask), JavaScript (Node.js), etc.
-
Data processing:
- Front-end: mainly handles the display of the user interface and the interaction of user input, and usually does not directly operate the database.
- Backend: Responsible for storing, reading and processing data, interacting with the database, and returning processing results to the frontend.
-
Security:
- Front-end: Mainly focus on user-side security, such as preventing XSS (cross-site scripting attacks), CSRF (cross-site request forgery), etc.
- Backend: Responsible for handling application security, including data verification, user rights management, etc.
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Running environment:
- Front-end: The code is executed in the user's browser, mainly running on the client.
- Backend: The code is executed on the server side, usually deployed and run on the server.
Generally speaking, the front-end mainly focuses on the user interface and user interaction, while the back-end is responsible for processing data and business logic. The two work together to build a complete web application.
The above is the detailed content of What is the difference between front-end and back-end. For more information, please follow other related articles on the PHP Chinese website!
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