{"id":154084,"date":"2026-01-18T17:11:55","date_gmt":"2026-01-18T15:11:55","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/vypusk-javascript-biblioteki-jquery-4-0-2"},"modified":"2026-01-18T17:11:55","modified_gmt":"2026-01-18T15:11:55","slug":"vypusk-javascript-biblioteki-jquery-4-0-2","status":"publish","type":"post","link":"https:\/\/prohoster.info\/es\/blog\/news\/vypusk-javascript-biblioteki-jquery-4-0-2","title":{"rendered":"Lanzamiento de la biblioteca JavaScript jQuery 4.0","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Despu\u00e9s de casi 10 a\u00f1os desde la publicaci\u00f3n de la versi\u00f3n 3.0 y 20 a\u00f1os despu\u00e9s de la fundaci\u00f3n del proyecto, se lanz\u00f3 la biblioteca JavaScript jQuery 4.0, utilizada, seg\u00fan la organizaci\u00f3n W3Techs, en el 70.9% de los 10 millones de sitios m\u00e1s visitados de la red. El c\u00f3digo de jQuery se distribuye bajo la licencia MIT.       <\/p>\n<p> La versi\u00f3n 4.0 de jQuery incluye cambios que rompen la compatibilidad hacia atr\u00e1s, pero seg\u00fan los desarrolladores, la mayor\u00eda de los usuarios podr\u00e1n migrar a la nueva versi\u00f3n sin problemas y con cambios m\u00ednimos en su c\u00f3digo. Para facilitar la migraci\u00f3n, se puede utilizar un complemento especial. Las infracciones de la compatibilidad hacia atr\u00e1s est\u00e1n relacionadas con la eliminaci\u00f3n de c\u00f3digo obsoleto, la supresi\u00f3n de algunos par\u00e1metros internos no documentados, el cese del soporte de ciertos comportamientos innecesariamente complejos y la descontinuaci\u00f3n de API que previamente fueron marcados como obsoletos. La eliminaci\u00f3n de API y navegadores obsoletos ha permitido reducir el tama\u00f1o del archivo gzip de la biblioteca en 3 KB (la versi\u00f3n slim ahora ocupa 19.5 KB, mientras que la completa \u2014 27.5 KB).       <\/p>\n<p>Entre los cambios:  <\/p>\n<ul>\n<li class=\"l\"> Se ha dejado de soportar el navegador IE 10 y versiones m\u00e1s antiguas (el soporte para IE 11 se mantiene, pero se eliminar\u00e1 en jQuery 5.0), as\u00ed como otros navegadores antiguos como Edge Legacy, Android Browser y Firefox hasta la versi\u00f3n 115.\n<li class=\"l\"> Se ha incorporado soporte para la API Trusted Types, desarrollada para proteger contra manipulaciones del DOM que conducen a scripting entre sitios (DOM XSS), por ejemplo, en el manejo incorrecto de los datos proporcionados por el usuario en bloques eval() o inserciones \u00ab.innerHTML\u00bb, lo que podr\u00eda resultar en la ejecuci\u00f3n de c\u00f3digo JavaScript en el contexto de una p\u00e1gina espec\u00edfica. Ahora se pueden pasar HTML en forma de objetos TrustedHTML a los m\u00e9todos de jQuery.\n<li class=\"l\"> El c\u00f3digo de jQuery ha sido adaptado para utilizar m\u00f3dulos de JavaScript ESM (M\u00f3dulo ECMAScript) y puede ser entregado e importado como un m\u00f3dulo.\n<li class=\"l\"> Se han eliminado funciones que anteriormente estaban marcadas como obsoletas: jQuery.isArray, jQuery.parseJSON, jQuery.trim, jQuery.type, jQuery.now, jQuery.isNumeric, jQuery.isFunction, jQuery.isWindow, jQuery.camelCase, jQuery.nodeName, jQuery.cssNumber, jQuery.cssProps y jQuery.fx.interval. En lugar de estas funciones, se recomienda usar las funciones nativas de JavaScript Array.isArray(), JSON.parse(), String.prototype.trim() y Date.now().\n<li class=\"l\"> Se han eliminado m\u00e9todos internos no documentados del objeto Array \u2014 push, sort y splice.\n<li class=\"l\"> El orden de procesamiento de eventos de cambio de foco se ha ajustado de acuerdo con la especificaci\u00f3n W3C \u2014 blur, focusout, focus y focusin.\n<li class=\"l\"> El tama\u00f1o de la versi\u00f3n recortada (slim), que no incluye m\u00f3dulos ajax y effects, se reduce a 19.5k debido a la interrupci\u00f3n del suministro de objetos Deferred (se recomienda utilizar Promises est\u00e1ndar) y Callbacks.  <\/ul>\n<p>Fuente: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=64637\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041f\u043e\u0441\u043b\u0435 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[&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-154084","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.2 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u041f\u043e\u0441\u043b\u0435 \u043f\u043e\u0447\u0442\u0438 10 \u043b\u0435\u0442 \u0441 \u043c\u043e\u043c\u0435\u043d\u0442\u0430 \u043f\u0443\u0431\u043b\u0438\u043a\u0430\u0446\u0438\u0438 \u0432\u0435\u0442\u043a\u0438 3.0 \u0438 \u0441\u043f\u0443\u0441\u0442\u044f 20 \u043b\u0435\u0442 \u043f\u043e\u0441\u043b\u0435 \u043e\u0441\u043d\u043e\u0432\u0430\u043d\u0438\u044f \u043f\u0440\u043e\u0435\u043a\u0442\u0430 \u0441\u043e\u0441\u0442\u043e\u044f\u043b\u0441\u044f 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