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Chaindesk

Qué es Front-end y Backend, servidores web y clientes

Updated: February 22, 2025

Platzi

Summary

This video introduces the fundamentals of server-side JavaScript, databases, DNS servers, and their integration in web development. It explains the distinction between frontend and backend roles, the workings of browsers in loading HTML and executing JavaScript, and the interplay between HTML, JavaScript, and functions. The discussion covers different servers like Apache, IIS, and nginx, various databases such as MySQL and MongoDB, and programming languages like PHP, Java, and Python commonly used in web development. Viewers are encouraged to explore further into advanced programming courses, server administration, backend development, iOS programming, and digital strategy, with upcoming classes focusing on practical applications like username and password verification.

Introducción a JavaScript del lado del servidor

Introduction to server-side JavaScript, databases, DNS servers, and how they all work together. Explaining the divide between frontend and backend in web development.

Curso de Programación Básica en Mejorando.la

Description of the free basic programming course available on the improving.la platform, teaching programming from scratch.

Funcionamiento del Navegador y Carga de Archivos

Explanation of how the browser loads HTML files, executes JavaScript, and the interaction between HTML, JavaScript, and functions like 'carga y arranca'.

División entre Frontend y Backend

Overview of the division between frontend and backend development, with frontend handling the user interface and backend managing server-side processes.

Tipos de Servidores y Puertos

Discussion on different types of servers, the significance of ports, and the identification of servers based on ports. Explanation on the function of servers like Apache, IIS, and nginx.

Tipos de Bases de Datos

Overview of different types of databases, including relational and non-relational databases like MySQL, MongoDB, and the distinctions between them.

Lenguajes de Programación: PHP, Java, Python

Introduction to programming languages like PHP, Java, Python, and their utilization in web development. Mention of languages that interact with users and databases.

Métodos de Interacción en Servidores

Explanation of various methods of interacting with servers, including GET, POST, AJAX, and sockets, highlighting their roles in sending and receiving data.

Conexión a Bases de Datos y Stacks

Discussion on connecting to databases, server stacks, and the importance of using middleware to interact with databases securely. Description of popular software stacks like LAMP and MEAN.

Técnicas de Conectividad: GET, POST, AJAX, Sockets

Explanation of different techniques for connectivity, such as GET, POST, AJAX, and sockets, for sending and receiving data from servers.

Setting up no.js with Express

Using no.js with Express as an intermediary between two entities. Explaining the use of Express library in a step-by-step manner.

Transition to Advanced Programming

Encouragement for beginners to move towards advanced programming courses and other related courses like server administration, backend development, iOS programming, web development, marketing online, and digital strategy.

Next Class Preview

Overview of the upcoming class where the application with username and password verification will be completed, showing a cat image for correct inputs and a message for incorrect ones.

Assignments and Tasks

Encouraging viewers to prepare for the next class by installing no.js and participating actively by sharing questions. Mentioning a tutorial on YouTube where they can learn more about the topic.

FAQ

Q: What is the difference between frontend and backend development in web development?

A: Frontend development deals with the user interface, while backend development manages server-side processes.

Q: Can you explain the function of servers like Apache, IIS, and nginx?

A: Servers like Apache, IIS, and nginx serve web pages to clients, manage requests, and execute processes based on those requests.

Q: What are some examples of relational and non-relational databases mentioned in the file?

A: Examples of relational databases include MySQL, while non-relational databases include MongoDB.

Q: What are some programming languages mentioned in the file that are utilized in web development?

A: Programming languages like PHP, Java, and Python are mentioned in the file in the context of web development.

Q: What are some common methods of interacting with servers mentioned in the file?

A: Common methods of interacting with servers include GET, POST, AJAX, and sockets, each serving specific roles in sending and receiving data.

Q: What is the purpose of using middleware to interact with databases securely?

A: Middleware is used to securely interact with databases, acting as a bridge between the application and the database to ensure safe and controlled access.

Q: Can you explain the significance of using software stacks like LAMP and MEAN in web development?

A: Software stacks like LAMP and MEAN provide a set of tools and frameworks for developing web applications, offering a streamlined and efficient development process.

Q: What is the role of Express in server-side JavaScript development?

A: Express is a library used in server-side JavaScript development to simplify the process of building web applications and APIs.

Q: What types of courses and related topics are beginners encouraged to explore in the file?

A: Beginners are encouraged to explore advanced programming courses, server administration, backend development, iOS programming, web development, marketing online, and digital strategy.

Q: What will the upcoming class focus on according to the file?

A: The upcoming class will focus on completing an application with username and password verification, displaying a cat image for correct inputs and a message for incorrect ones.

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