{"id":78969,"date":"2020-04-23T13:42:02","date_gmt":"2020-04-23T11:42:02","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/vypusk-servernoj-javascript-platformy-node-js-14-0"},"modified":"2020-04-23T13:42:02","modified_gmt":"2020-04-23T11:42:02","slug":"vypusk-servernoj-javascript-platformy-node-js-14-0","status":"publish","type":"post","link":"https:\/\/prohoster.info\/no\/blog\/news\/vypusk-servernoj-javascript-platformy-node-js-14-0","title":{"rendered":"Utgivelse av serverbasert JavaScript-plattform Node.js 14.0","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p><noindex><a rel=\"nofollow\" href=\"https:\/\/nodejs.org\/en\/blog\/release\/v14.0.0\/\">Har funnet sted<\/a><\/noindex> versjon <noindex><a rel=\"nofollow\" href=\"https:\/\/nodejs.org\">Node.js 14.0<\/a><\/noindex>, en plattform for \u00e5 kj\u00f8re nettapplikasjoner skrevet i JavaScript. Node.js 14.0 tilh\u00f8rer linjene med langvarig st\u00f8tte, men denne statusen vil bli tildelt f\u00f8rst i oktober, etter stabilisering. St\u00f8tte for Node.js 14.0 vil <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/nodejs\/Release\">bli gitt<\/a><\/noindex> til april 2023. St\u00f8tten til den forrige LTS-linjen, Node.js 12.0, vil vare til april 2022, mens st\u00f8tten for den f\u00f8r det, LTS-linjen 10.0, vil vare til april 2021. St\u00f8tten for den midlertidige linjen 13.x avsluttes i juni i \u00e5r.<\/p>\n<p>Viktige <noindex><a rel=\"nofollow\" href=\"https:\/\/medium.com\/@nodejs\/node-js-version-14-available-now-8170d384567e\">forbedringer<\/a><\/noindex>:<\/p>\n<ul>\n<li class=\"l\"> St\u00f8tten for generering av p\u00e5-fly eller ved bestemte hendelser <noindex><a rel=\"nofollow\" href=\"https:\/\/medium.com\/the-node-js-collection\/easily-identify-problems-in-node-js-applications-with-diagnostic-report-dc82370d8029\">diagnoserapporter<\/a><\/noindex>, som reflekterer hendelser som hjelper med \u00e5 diagnostisere problemer som krasj, ytelsestap, minnelekkasjer, h\u00f8y CPU-belastning, uventet feilmeldinger osv.\n<li class=\"l\"> Eksperimentell st\u00f8tte for API-er <noindex><a rel=\"nofollow\" href=\"https:\/\/nodejs.org\/api\/async_hooks.html#async_hooks_class_asynclocalstorage\">Async Local Storage<\/a><\/noindex> med implementeringen av klassen AsyncLocalStorage, som kan brukes til \u00e5 lage asynkrone tilstander med callback-baserte h\u00e5ndterere og l\u00f8fter. AsyncLocalStorage lar deg lagre data under behandling av webforesp\u00f8rselen, p\u00e5minner om lokalisert lagring for enkelttr\u00e5der (Thread-Local Storage) i andre spr\u00e5k.\n<li class=\"l\"> Advarselen om eksperimentell funksjonalitet har blitt fjernet ved lasting <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/nodejs\/node\/blob\/master\/doc\/api\/esm.md\">moduler<\/a><\/noindex>  <noindex><a rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=42450\">ECMAScript 6<\/a><\/noindex> som lastes og eksporteres ved hjelp av import- og export-uttrykk. Imidlertid forblir selve implementeringen av ESM-moduler fortsatt eksperimentell.\n<li class=\"l\"> V8-motoren er oppdatert til versjon <noindex><a rel=\"nofollow\" href=\"https:\/\/v8.dev\/\">8.1<\/a><\/noindex> (<noindex><a rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=52000\">1<\/a><\/noindex>, <noindex><a rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=52565\">2<\/a><\/noindex>, <noindex><a rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=52312\">3<\/a><\/noindex>), som inneheld nye ytelsesoptimaliseringar og har f\u00e5tt fleire nyvinningar, som den nye logiske operatoren for samansl\u00e5ing &#171;??&#187; (returnerer h\u00f8gre operand om venstre operand er NULL eller undefined, og vice versa), operatoren &#171;?.&#187; for samstundes \u00e5 sjekke heile eigenskap- eller kallkjeda (for eksempel &#171;db?.user?.name?.length&#187; utan f\u00f8reg\u00e5ande sjekkar), og metoden Intl.DisplayName for \u00e5 hente lokaliserte namn, osv.\n<li class=\"l\"> Det har blitt gjort ein revisjon av API Streams, som er retta mot \u00e5 forbetre konsistensen i Streams API-ene og fjerne forskjellar i oppf\u00f8rselen til grunnleggjande delar av Node.js. For eksempel er oppf\u00f8rselen til http.OutgoingMessage gjort meir lik stream.Writable, og net.Socket liknar n\u00e5 stream.Duplex. AutoDestroy-alternativet har som standard verdi &#171;true&#187;, som betyr at &#171;_destroy&#187; blir kalla etter fullf\u00f8ring.\n<li class=\"l\"> Eksperimentell st\u00f8tte for API-er <noindex><a rel=\"nofollow\" href=\"https:\/\/nodejs.org\/api\/wasi.html\">WASI<\/a><\/noindex> (<noindex><a rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=50406\">WebAssembly System Interface<\/a><\/noindex>), som gir programmeringsgrensesnitt for direkte interaksjon med operativsystemet (POSIX API for filarbeid, sokler osv.).\n<li class=\"l\"> Kravene til <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/nodejs\/node\/blob\/v12.x\/BUILDING.md#platform-list\">minimumsversioner<\/a><\/noindex> kompilatorer og plattformer: macOS 10.13 (High Sierra), GCC 6,  <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/nodejs\/node\/pull\/31954\">Windows nyere enn 7\/2008R2<\/a><\/noindex>.\n<\/ul>\n<p>Husk at Node.js-plattformen kan brukes b\u00e5de til serverdrift av webapplikasjoner og til \u00e5 lage vanlige klient- og servernettverksprogrammer. For \u00e5 utvide funksjonaliteten til applikasjoner for Node.js er det utarbeidet en stor <noindex><a rel=\"nofollow\" href=\"https:\/\/www.npmjs.com\/\">samling av moduler<\/a><\/noindex>, der du kan finne moduler som implementerer servere og klienter for HTTP, SMTP, XMPP, DNS, FTP, IMAP, POP3, moduler for integrasjon med ulike web-rammeverk, WebSocket- og Ajax-behandlere, tilkoblinger til databaser (MySQL, PostgreSQL, SQLite, MongoDB), malmotorer, CSS-motorer, implementeringer av kryptografiske algoritmer og autorisasjonssystemer (OAuth), XML-parsere.<\/p>\n<p> For \u00e5 sikre behandling av et stort antall parallelle foresp\u00f8rsel, benytter Node.js en asynkron modell for \u00e5 kj\u00f8re kode, basert p\u00e5 hendelsesbehandling i ikke-blokkerende modus og definering av callback-h\u00e5ndterere. Metoder som epoll, kqueue, \/dev\/poll og select st\u00f8ttes som m\u00e5ter \u00e5 multiplexe forbindelser. Biblioteket <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/libuv\/libuv\">libuv<\/a><\/noindex>, som er et lag over <noindex><a rel=\"nofollow\" href=\"http:\/\/software.schmorp.de\/pkg\/libev.html\">libev<\/a><\/noindex> i Unix-systemer og IOCP i Windows. For \u00e5 opprette en tr\u00e5d-pool brukes biblioteket <noindex><a rel=\"nofollow\" href=\"http:\/\/software.schmorp.de\/pkg\/libeio.html\">libeio<\/a><\/noindex>, for \u00e5 utf\u00f8re DNS-foresp\u00f8rsel i ikke-blokkerende modus, er <noindex><a rel=\"nofollow\" href=\"http:\/\/c-ares.haxx.se\/\">c-ares<\/a><\/noindex>integrert. Alle systemanrop som for\u00e5rsaker blokkering, utf\u00f8res inne i tr\u00e5d-poolen og sender deretter resultatet av arbeidet tilbake gjennom et anonymt r\u00f8r (pipe), som signalbehandlere gj\u00f8r. Utf\u00f8relsen av JavaScript-kode skjer ved \u00e5 bruke motoren utviklet av Google <noindex><a rel=\"nofollow\" href=\"http:\/\/code.google.com\/p\/v8\/\">V8<\/a><\/noindex> (Microsoft utvikler ogs\u00e5 en versjon av Node.js med Chakra-Core-motoren).  <\/p>\n<p>I sin essens ligner Node.js p\u00e5 rammeverkene <noindex><a rel=\"nofollow\" href=\"http:\/\/search.cpan.org\/dist\/AnyEvent\/\">Perl AnyEvent<\/a><\/noindex>, <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/eventmachine\/eventmachine\">Ruby Event Machine<\/a><\/noindex>, <noindex><a rel=\"nofollow\" href=\"http:\/\/twistedmatrix.com\/\">Python Twisted<\/a><\/noindex> og <noindex><a rel=\"nofollow\" href=\"http:\/\/wiki.tcl.tk\/1527\">implementering.<\/a><\/noindex> hendingar i Tcl, men hendinga si l\u00f8kke (event loop) i Node.js er skjult for utviklaren og liknar p\u00e5 hendingebehandlinga i eit webapplikasjon som k\u00f8yrer i ein nettlesar. N\u00e5r ein skriv applikasjonar for Node.js, er det viktig \u00e5 ta h\u00f8gde for det hendinga-orienterte programmeringsprinsippet, til d\u00f8mes i staden for \u00e5 utf\u00f8re &#171;var result = db.query(&#171;select..&#187;);&#187; med venting p\u00e5 at det skal bli fullf\u00f8rt og deretter behandle resultata, s\u00e5 bruker Node.js prinsippet om asynkron kj\u00f8ring, som betyr at koden blir transformert til &#171;db.query(&#171;select..&#187;, function (result) {behandling av resultat});&#187;, der kontrollen umiddelbart g\u00e5r til vidare kode, medan resultatet blir behandla etter kvart som data kjem. <\/p>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>Kilde: <a \ncontent=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=52786\">opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0421\u043e\u0441\u0442\u043e\u044f\u043b\u0441\u044f \u0440\u0435\u043b\u0438\u0437 Node.js 14.0, \u043f\u043b\u0430\u0442\u0444\u043e\u0440\u043c\u044b \u0434\u043b\u044f \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u044f \u0441\u0435\u0442\u0435\u0432\u044b\u0445 \u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u0439 \u043d\u0430 \u044f\u0437\u044b\u043a\u0435 JavaScript. Node.js 14.0 \u043e\u0442\u043d\u043e\u0441\u0438\u0442\u0441\u044f \u043a \u0432\u0435\u0442\u043a\u0430\u043c \u0441 \u0434\u043b\u0438\u0442\u0435\u043b\u044c\u043d\u044b\u043c \u0441\u0440\u043e\u043a\u043e\u043c \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0438, \u043d\u043e \u0434\u0430\u043d\u043d\u044b\u0439 \u0441\u0442\u0430\u0442\u0443\u0441 \u0431\u0443\u0434\u0435\u0442 \u043f\u0440\u0438\u0441\u0432\u043e\u0435\u043d \u0442\u043e\u043b\u044c\u043a\u043e \u0432 \u043e\u043a\u0442\u044f\u0431\u0440\u0435, \u043f\u043e\u0441\u043b\u0435 \u043f\u0440\u043e\u0432\u0435\u0434\u0435\u043d\u0438\u044f \u0441\u0442\u0430\u0431\u0438\u043b\u0438\u0437\u0430\u0446\u0438\u0438. \u041f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0430 Node.js 14.0 \u0431\u0443\u0434\u0435\u0442 \u043e\u0441\u0443\u0449\u0435\u0441\u0442\u0432\u043b\u044f\u0442\u044c\u0441\u044f \u0434\u043e \u0430\u043f\u0440\u0435\u043b\u044f 2023 \u0433\u043e\u0434\u0430. \u0421\u043e\u043f\u0440\u043e\u0432\u043e\u0436\u0434\u0435\u043d\u0438\u0435 \u043f\u0440\u043e\u0448\u043b\u043e\u0439 LTS-\u0432\u0435\u0442\u043a\u0438 Node.js 12.0 \u043f\u0440\u043e\u0434\u043b\u0438\u0442\u0441\u044f \u0434\u043e \u0430\u043f\u0440\u0435\u043b\u044f 2022 \u0433\u043e\u0434\u0430, \u0430 \u043f\u043e\u0437\u0430\u043f\u0440\u043e\u0448\u043b\u043e\u0439 LTS-\u0432\u0435\u0442\u043a\u0438 10.0 [&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-78969","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.5 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u0421\u043e\u0441\u0442\u043e\u044f\u043b\u0441\u044f \u0440\u0435\u043b\u0438\u0437 Node.js 14.0, \u043f\u043b\u0430\u0442\u0444\u043e\u0440\u043c\u044b \u0434\u043b\u044f \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u044f.\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"Yuri Gagarin\"\/>\n\t<link rel=\"canonical\" href=\"https:\/\/prohoster.info\/no\/blog\/news\/vypusk-servernoj-javascript-platformy-node-js-14-0\" \/>\n\t\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 5.0.5\" \/>\n\t\t<meta property=\"og:locale\" content=\"nn_NO\" \/>\n\t\t<meta property=\"og:site_name\" content=\"ProHoster | \u041a\u0443\u043f\u0438\u0442\u044c \u043d\u0430\u0434\u0435\u0436\u043d\u044b\u0439 \u0445\u043e\u0441\u0442\u0438\u043d\u0433 \u0434\u043b\u044f \u0441\u0430\u0439\u0442\u043e\u0432 \u0441 \u0437\u0430\u0449\u0438\u0442\u043e\u0439 \u043e\u0442 DDoS, VPS VDS \u0441\u0435\u0440\u0432\u0435\u0440\u044b\" \/>\n\t\t<meta property=\"og:type\" content=\"article\" \/>\n\t\t<meta property=\"og:title\" content=\"\ud83e\udd47\u0412\u044b\u043f\u0443\u0441\u043a \u0441\u0435\u0440\u0432\u0435\u0440\u043d\u043e\u0439 JavaScript-\u043f\u043b\u0430\u0442\u0444\u043e\u0440\u043c\u044b Node.js 14.0 | ProHoster\" \/>\n\t\t<meta property=\"og:description\" content=\"\u0421\u043e\u0441\u0442\u043e\u044f\u043b\u0441\u044f \u0440\u0435\u043b\u0438\u0437 Node.js 14.0, \u043f\u043b\u0430\u0442\u0444\u043e\u0440\u043c\u044b \u0434\u043b\u044f \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u044f.\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/prohoster.info\/no\/blog\/news\/vypusk-servernoj-javascript-platformy-node-js-14-0\" \/>\n\t\t<meta property=\"og:image\" content=\"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg\" \/>\n\t\t<meta property=\"og:image:secure_url\" content=\"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg\" \/>\n\t\t<meta property=\"og:image:width\" content=\"350\" \/>\n\t\t<meta property=\"og:image:height\" content=\"350\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2020-04-23T11:42:02+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2020-04-23T11:42:02+00:00\" \/>\n\t\t<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/prohoster\" \/>\n\t\t<meta property=\"article:author\" content=\"https:\/\/www.facebook.com\/prohoster\" \/>\n\t\t<!-- All in One SEO -->\n\n","aioseo_head_json":{"title":"\ud83e\udd47Lansering av serverbasert JavaScript-plattform Node.js 14.0 | ProHoster","description":"Node.js 14.0 er blitt lansert, en plattform for kj\u00f8ring.","canonical_url":"https:\/\/prohoster.info\/no\/blog\/news\/vypusk-servernoj-javascript-platformy-node-js-14-0","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":null,"og:locale":"nn_NO","og:site_name":"ProHoster | \u041a\u0443\u043f\u0438\u0442\u044c \u043d\u0430\u0434\u0435\u0436\u043d\u044b\u0439 \u0445\u043e\u0441\u0442\u0438\u043d\u0433 \u0434\u043b\u044f \u0441\u0430\u0439\u0442\u043e\u0432 \u0441 \u0437\u0430\u0449\u0438\u0442\u043e\u0439 \u043e\u0442 DDoS, VPS VDS \u0441\u0435\u0440\u0432\u0435\u0440\u044b","og:type":"article","og:title":"\ud83e\udd47\u0412\u044b\u043f\u0443\u0441\u043a \u0441\u0435\u0440\u0432\u0435\u0440\u043d\u043e\u0439 JavaScript-\u043f\u043b\u0430\u0442\u0444\u043e\u0440\u043c\u044b Node.js 14.0 | ProHoster","og:description":"\u0421\u043e\u0441\u0442\u043e\u044f\u043b\u0441\u044f \u0440\u0435\u043b\u0438\u0437 Node.js 14.0, \u043f\u043b\u0430\u0442\u0444\u043e\u0440\u043c\u044b \u0434\u043b\u044f \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u044f.","og:url":"https:\/\/prohoster.info\/no\/blog\/news\/vypusk-servernoj-javascript-platformy-node-js-14-0","og:image":"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg","og:image:secure_url":"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg","og:image:width":350,"og:image:height":350,"article:published_time":"2020-04-23T11:42:02+00:00","article:modified_time":"2020-04-23T11:42:02+00:00","article:publisher":"https:\/\/www.facebook.com\/prohoster","article:author":"https:\/\/www.facebook.com\/prohoster"},"aioseo_meta_data":{"post_id":"78969","title":null,"description":null,"keywords":null,"keyphrases":null,"primary_term":null,"canonical_url":null,"og_title":null,"og_description":null,"og_object_type":"default","og_image_type":"default","og_image_url":null,"og_image_width":null,"og_image_height":null,"og_image_custom_url":null,"og_image_custom_fields":null,"og_video":null,"og_custom_url":null,"og_article_section":null,"og_article_tags":null,"twitter_use_og":false,"twitter_card":"default","twitter_image_type":"default","twitter_image_url":null,"twitter_image_custom_url":null,"twitter_image_custom_fields":null,"twitter_title":null,"twitter_description":null,"schema":{"blockGraphs":[],"customGraphs":[],"default":{"data":{"Article":[],"Course":[],"Dataset":[],"FAQPage":[],"Movie":[],"Person":[],"Product":[],"ProductReview":[],"Car":[],"Recipe":[],"Service":[],"SoftwareApplication":[],"WebPage":[]},"graphName":"","isEnabled":true},"graphs":[]},"schema_type":null,"schema_type_options":null,"pillar_content":false,"robots_default":true,"robots_noindex":false,"robots_noarchive":false,"robots_nosnippet":false,"robots_nofollow":false,"robots_noimageindex":false,"robots_noodp":false,"robots_notranslate":false,"robots_max_snippet":null,"robots_max_videopreview":null,"robots_max_imagepreview":"large","priority":null,"frequency":null,"local_seo":null,"seo_analyzer_scan_date":null,"breadcrumb_settings":null,"limit_modified_date":false,"reviewed_by":null,"ai":null,"created":"2021-02-28 16:47:25","updated":"2022-10-01 20:48:10","focus_keyword":null,"additional_keywords":null,"truseo_locale":null},"gt_translate_keys":[{"key":"link","format":"url"}],"_links":{"self":[{"href":"https:\/\/prohoster.info\/no\/wp-json\/wp\/v2\/posts\/78969","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/prohoster.info\/no\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/prohoster.info\/no\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/prohoster.info\/no\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/prohoster.info\/no\/wp-json\/wp\/v2\/comments?post=78969"}],"version-history":[{"count":0,"href":"https:\/\/prohoster.info\/no\/wp-json\/wp\/v2\/posts\/78969\/revisions"}],"wp:attachment":[{"href":"https:\/\/prohoster.info\/no\/wp-json\/wp\/v2\/media?parent=78969"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/prohoster.info\/no\/wp-json\/wp\/v2\/categories?post=78969"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/prohoster.info\/no\/wp-json\/wp\/v2\/tags?post=78969"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}