{"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\/nl\/blog\/news\/vypusk-javascript-biblioteki-jquery-4-0-2","title":{"rendered":"Release van JavaScript-bibliotheek jQuery 4.0.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Na bijna 10 jaar sinds de publicatie van versie 3.0 en 20 jaar na de oprichting van het project is de release van de JavaScript-bibliotheek jQuery 4.0, die volgens de organisatie W3Techs op 70,9% van de 10 miljoen meest bezochte websites wordt gebruikt, een feit. De jQuery-code wordt verspreid onder de MIT-licentie.       <\/p>\n<p> De release van jQuery 4.0 bevat wijzigingen die de backward compatibility verstoren, maar volgens de ontwikkelaars zullen de meeste gebruikers zonder problemen kunnen overstappen naar de nieuwe versie met minimale aanpassingen aan hun code. Voor het vereenvoudigen van de migratie kan een speciale plugin worden gebruikt. De verstoringen in de backward compatibility zijn gerelateerd aan het verwijderen van verouderde code, het verwijderen van sommige interne undocumented parameters, het stopzetten van ondersteuning voor sommige overmatig gecompliceerde gedragingen en het stopzetten van de ondersteuning voor API's die eerder als verouderd waren gemarkeerd. Het verwijderen van verouderde API's en browsers heeft geleid tot een vermindering van de gzip-archiefgrootte van de bibliotheek met 3 KB (de slim-versie neemt nu 19,5 KB in beslag, terwijl de volledige versie 27,5 KB is).       <\/p>\n<p>Onder de wijzigingen:  <\/p>\n<ul>\n<li class=\"l\"> De ondersteuning voor de browser IE 10 en oudere versies is be\u00ebindigd (de ondersteuning voor IE 11 blijft bestaan, maar zal worden verwijderd in jQuery 5.0), evenals voor andere oudere browsers zoals Edge Legacy, Android Browser en Firefox tot versie 115.\n<li class=\"l\"> Ondersteuning voor de Trusted Types API is ingebouwd, die is ontwikkeld ter bescherming tegen DOM-manipulaties die leiden tot cross-site scripting (DOM XSS), bijvoorbeeld bij onjuiste verwerking van gegevens van gebruikers in eval()-blokken of '.innerHTML'-invoegingen, wat kan leiden tot de uitvoering van JavaScript-code in de context van een specifieke pagina. HTML-code kan nu aan jQuery-methoden worden doorgegeven in de vorm van TrustedHTML-objecten.\n<li class=\"l\"> De jQuery-code is overgeschakeld naar het gebruik van ESM (ECMAScript Module) JavaScript-modules en kan als module worden geleverd en ge\u00efmporteerd.\n<li class=\"l\"> Verouderde functies zijn verwijderd: jQuery.isArray, jQuery.parseJSON, jQuery.trim, jQuery.type, jQuery.now, jQuery.isNumeric, jQuery.isFunction, jQuery.isWindow, jQuery.camelCase, jQuery.nodeName, jQuery.cssNumber, jQuery.cssProps en jQuery.fx.interval. Voor deze functies wordt aanbevolen de standaard JavaScript-functies Array.isArray(), JSON.parse(), String.prototype.trim() en Date.now() te gebruiken.\n<li class=\"l\"> Ongedocumenteerde interne methoden van het Array-object - push, sort en splice - zijn verwijderd.\n<li class=\"l\"> De volgorde van het verwerken van focus events is in overeenstemming gebracht met de W3C-specificatie - blur, focusout, focus en focusin.\n<li class=\"l\"> De grootte van de ingekorte versie (slim), zonder de modules ajax en effects, is verkleind tot 19,5 k door de stopzetting van de levering van Deferred-objecten (het wordt aangeraden om standaard Promises te gebruiken) en Callbacks.  <\/ul>\n<p>Bron: <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 \u043f\u043e\u0447\u0442\u0438 10 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