September 2024
Intermediate to advanced
706 pages
22h 41m
Spanish
Content preview from JavaScript: La Guía Definitiva, 7ª Edición
Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.
Capítulo 10. Módulos
Este trabajo se ha traducido utilizando IA. Agradecemos tus opiniones y comentarios: translation-feedback@oreilly.com
El objetivo de la programación modular en es permitir que se ensamblen grandes programas utilizando módulos de código de autores y fuentes dispares y que todo ese código se ejecute correctamente incluso en presencia de código que los distintos autores de los módulos no previeron. En la práctica, la modularidad consiste sobre todo en encapsular u ocultar detalles de implementación privados y mantener ordenado el espacio de nombres global, de modo que los módulos no puedan modificar accidentalmente las variables, funciones y clases definidas por otros módulos.
Hasta hace poco,, JavaScript no tenía soporte incorporado para módulos, y los programadores que trabajaban con grandes bases de código hacían todo lo posible por utilizar la débil modularidad disponible a través de clases, objetos y cierres. La modularidad basada en cierres, con el apoyo de herramientas de agrupación de código, condujo a una forma práctica de modularidad basada en una función require(), que fue adoptada por Node. require()-Los módulos basados en cierres son una parte fundamental del entorno de programación Node, pero nunca se adoptaron como parte oficial del lenguaje JavaScript. En su lugar, ES6 define módulos utilizando las palabras clave import y export. Aunqueimport y export forman parte del lenguaje desde hace años, sólo fueron implementadas por los navegadores web y ...
Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
and much more.
Read now
Unlock full access
More than 5,000 organizations count on O’Reilly
O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.