{"id":102260,"date":"2021-11-10T15:36:45","date_gmt":"2021-11-10T13:36:45","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/vypusk-javascript-platformy-deno-1-16"},"modified":"2021-11-10T15:36:45","modified_gmt":"2021-11-10T13:36:45","slug":"vypusk-javascript-platformy-deno-1-16","status":"publish","type":"post","link":"https:\/\/prohoster.info\/da\/blog\/news\/vypusk-javascript-platformy-deno-1-16","title":{"rendered":"Udgivelsen af JavaScript-platformen Deno 1.16","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Udgivelsen af JavaScript-platformen Deno 1.16 har fundet sted, designet til at k\u00f8re applikationer, skrevet i JavaScript og TypeScript, isoleret (uden brug af en browser). Projektet udvikles af Node.js-skaberen Ryan Dahl. Platformens kode er skrevet i programmeringssproget Rust og distribueres under MIT-licensen. Klargjorte builds er tilg\u00e6ngelige for Linux, Windows og macOS.    <\/p>\n<p>Projektet ligner Node.js-platformen og anvender ligesom den JavaScript-motoren V8, men if\u00f8lge Node.js-skaberen retter det op p\u00e5 en r\u00e6kke arkitektoniske fejl fra sin forg\u00e6nger og adskiller sig fra den p\u00e5 f\u00f8lgende punkter:  <\/p>\n<ul>\n<li class=\"l\"> Brug af Rust som hovedprogrammeringssprog, hvilket if\u00f8lge udviklerne reducerer risikoen for s\u00e5rbarheder relateret til lavniveau hukommelsesarbejde (buffer overflow, use-after-free osv.);\n<li class=\"l\"> Deno bruger ikke pakkeh\u00e5ndtereren npm og package.json, men tilbyder brugeren installation af moduler ved at angive en URL eller stien til modulet for installation. Alligevel tilbyder projektet flere v\u00e6rkt\u00f8jer til at forenkle arbejdet med tredjepartsmoduler;\n<li class=\"l\"> Applikationer k\u00f8rer isoleret i sandkasser og har ikke adgang til netv\u00e6rket, milj\u00f8variabler og filsystemet uden eksplicit tildelte rettigheder;\n<li class=\"l\"> Arkitekturen muligg\u00f8r oprettelse af universelle webapplikationer, der kan fungere b\u00e5de i Deno-systemet og i almindelige webbrowser;\n<li class=\"l\"> Brug af \u00abES Modules\u00bb og mangel p\u00e5 st\u00f8tte til require();\n<li class=\"l\"> Enhver ubehandlet fejl i webapplikationen for\u00e5rsager, at den tvinges til at afslutte;\n<li class=\"l\"> Underst\u00f8ttelse af TypeScript udover JavaScript;\n<li class=\"l\"> Den samlede st\u00f8rrelse af den klar-til-brug platform er 84 MB (i zip-arkivet er det 31 MB) i form af en enkelt eksekverbar fil;\n<li class=\"l\"> Pakken indeholder et system til afh\u00e6ngighedsopl\u00f8sning og kodeformatering;\n<li class=\"l\"> Fokus p\u00e5 h\u00f8jt ydende applikationer.  <\/ul>\n<p>Deno h\u00e5ndterer anmodninger i en ikke-blokerende tilstand ved hj\u00e6lp af Tokio-platformen, som er designet til at skabe h\u00f8jt ydende applikationer baseret p\u00e5 en begivenhedsdrevet arkitektur. Det er ogs\u00e5 interessant, at den indbyggede HTTP-server i Deno er implementeret i TypeScript oven p\u00e5 native TCP-sokler, hvilket forbedrer netv\u00e6rksoperationernes ydeevne.    <\/p>\n<p>I den nye version bem\u00e6rkes:  <\/p>\n<ul>\n<li class=\"l\"> Ydelsesoptimering (4 patches);\n<li class=\"l\"> Rettes over 15 fejl, herunder nu underst\u00f8tter TLS-klienten HTTP\/2, og kodningssystemet underst\u00f8tter yderligere kodningsm\u00e6rker m.m.;\n<li class=\"l\"> Over to dusin nye funktioner, herunder stabilisering af de tidligere testede under systemer Deno.startTls og Deno.TestDefinition.permissions, opdatering af JS-motoren V8 til version 9.7 og underst\u00f8ttelse af konverteringer til React 17 JSX.  <\/ul>\n<p>Kilde: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=56129\">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 JavaScript-\u043f\u043b\u0430\u0442\u0444\u043e\u0440\u043c\u044b Deno 1.16, \u043f\u0440\u0435\u0434\u043d\u0430\u0437\u043d\u0430\u0447\u0435\u043d\u043d\u043e\u0439 \u0434\u043b\u044f \u043e\u0431\u043e\u0441\u043e\u0431\u043b\u0435\u043d\u043d\u043e\u0433\u043e \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u044f (\u0431\u0435\u0437 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u044f \u0431\u0440\u0430\u0443\u0437\u0435\u0440\u0430) \u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u0439, \u043d\u0430\u043f\u0438\u0441\u0430\u043d\u043d\u044b\u0445 \u043d\u0430 \u044f\u0437\u044b\u043a\u0430\u0445 JavaScript \u0438 TypeScript. \u041f\u0440\u043e\u0435\u043a\u0442 \u0440\u0430\u0437\u0432\u0438\u0432\u0430\u0435\u0442\u0441\u044f \u0430\u0432\u0442\u043e\u0440\u043e\u043c Node.js \u0420\u0430\u0439\u0430\u043d\u043e\u043c \u0414\u0430\u043b\u0435\u043c (Ryan Dahl). \u041a\u043e\u0434 \u043f\u043b\u0430\u0442\u0444\u043e\u0440\u043c\u044b \u043d\u0430\u043f\u0438\u0441\u0430\u043d \u043d\u0430 \u044f\u0437\u044b\u043a\u0435 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f Rust \u0438 \u0440\u0430\u0441\u043f\u0440\u043e\u0441\u0442\u0440\u0430\u043d\u044f\u0435\u0442\u0441\u044f \u043f\u043e\u0434 \u043b\u0438\u0446\u0435\u043d\u0437\u0438\u0435\u0439 MIT. \u0413\u043e\u0442\u043e\u0432\u044b\u0435 \u0441\u0431\u043e\u0440\u043a\u0438 \u043f\u043e\u0434\u0433\u043e\u0442\u043e\u0432\u043b\u0435\u043d\u044b \u0434\u043b\u044f Linux, Windows \u0438 macOS. \u041f\u0440\u043e\u0435\u043a\u0442 \u0441\u0445\u043e\u0436 \u0441 \u043f\u043b\u0430\u0442\u0444\u043e\u0440\u043c\u043e\u0439 Node.js \u0438, \u043f\u043e\u0434\u043e\u0431\u043d\u043e \u0435\u043c\u0443, [&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-102260","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.3 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u0421\u043e\u0441\u0442\u043e\u044f\u043b\u0441\u044f \u0440\u0435\u043b\u0438\u0437 JavaScript-\u043f\u043b\u0430\u0442\u0444\u043e\u0440\u043c\u044b Deno 1.16, \u043f\u0440\u0435\u0434\u043d\u0430\u0437\u043d\u0430\u0447\u0435\u043d\u043d\u043e\u0439 \u0434\u043b\u044f \u043e\u0431\u043e\u0441\u043e\u0431\u043b\u0435\u043d\u043d\u043e\u0433\u043e \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u044f (\u0431\u0435\u0437 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