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Este libro sobre JavaScript está dirigido a los desarrolladores que desean mejorar sus habilidades y competencias de JavaScript y pasar del dominio sintáctico al dominio del ciclo completo de desarrollo. Una primera experiencia de desarrollo con JavaScript, en su sintaxis básica, es esencial para una buena comprensión de este libro. JavaScript es un lenguaje particularmente potente, con expresividad bastante libre. Esta nivel de libertad si no se controlada adecuadamente, se convierte rápidamente en una fuente de dificultades, especialmente para obtener un código de calidad en un tiempo razonable. Después de leer este libro, sabrá cómo iniciar rápidamente sus proyectos, crear código portable y eficiente y reanudar su trabajo en varios contextos y soportes. Para ello, el autor se ha centrado en las buenas prácticas como la organización del código en módulos independientes, la realización de pruebas unitarias, la depuración, la elección de librerías externas, etc. Podrá gestionar proyectos de distintos tamaños sin perder de vista la arquitectura de tus aplicaciones, trabaje tanto de forma individual como en equipo. Se sentirá a gusto trabajando en sus proyectos web, tanto para uso clásico como para aplicaciones móviles. Con TypeScript, aprenderá a superar los límites de JavaScript. Finalmente, podrá crear, utilizar y extender con mayor facilidad frameworks web adaptados a su contexto operativo, como jQuery, Dojo, etc. Se beneficiará de las últimas grandes evoluciones del lenguaje gracias a ECMAScript 2015 para llevar a cabo un objeto real y un desarrollo funcional. Se pueden descargar elementos adicionales del sitio web www.ediciones-eni.com/.