{"id":55548,"date":"2020-01-23T00:00:00","date_gmt":"2020-01-22T21:00:00","guid":{"rendered":"https:\/\/prohoster.info\/blog\/blog_prohoster\/novaya-versiya-vstraivaemogo-javascript-dvizhka-ot-osnovatelya-qemu-i-ffmpeg"},"modified":"2020-02-18T14:03:40","modified_gmt":"2020-02-18T11:03:40","slug":"novaya-versiya-vstraivaemogo-javascript-dvizhka-ot-osnovatelya-qemu-i-ffmpeg","status":"publish","type":"post","link":"https:\/\/prohoster.info\/nl\/blog\/news\/novaya-versiya-vstraivaemogo-javascript-dvizhka-ot-osnovatelya-qemu-i-ffmpeg","title":{"rendered":"Nieuwe versie van de ingebedde JavaScript-engine van de oprichter van QEMU en FFmpeg","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>De Franse wiskundige Fabrice Bellard, die ooit de projecten QEMU en FFmpeg oprichtte, heeft een update gepubliceerd van zijn compacte, ingebouwde JavaScript-engine. <noindex><a rel=\"nofollow\" href=\"https:\/\/bellard.org\/quickjs\/\">QuickJS<\/a><\/noindex>De engine ondersteunt de specificatie ES2019 en extra wiskundige uitbreidingen, zoals de typen BigInt en BigFloat. Wat prestaties betreft, is QuickJS aanzienlijk  <noindex><a rel=\"nofollow\" href=\"https:\/\/bellard.org\/quickjs\/bench.html\">de bestaande analogen, bijvoorbeeld in de test<\/a><\/noindex> sneller dan de bestaande analogen (<noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/Moddable-OpenSource\/moddable\">met 35%,<\/a><\/noindex> DukTape <noindex><a rel=\"nofollow\" href=\"https:\/\/duktape.org\/\">meer dan twee keer,<\/a><\/noindex> JerryScript <noindex><a rel=\"nofollow\" href=\"http:\/\/jerryscript.net\/\">drie keer, en<\/a><\/noindex> MuJS <noindex><a rel=\"nofollow\" href=\"https:\/\/mujs.com\/\">zeven keer.<\/a><\/noindex> zeven keer). Het project biedt een bibliotheek voor het inbedden van de engine, de interpreter qjs voor het uitvoeren van JavaScript-code vanuit de opdrachtregel en de compiler qjsc voor het genereren van zelfstandige uitvoerbare bestanden. De code is geschreven in C en <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/horhof\/quickjs\">wordt verspreid<\/a><\/noindex> onder de MIT-licentie. Meer informatie over het project is te lezen in de tekst <noindex><a rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=51079\">van de aankondiging van de eerste release.<\/a><\/noindex>.<\/p>\n<p>In de nieuwe versie is experimentele ondersteuning voor het type <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/littledan\/proposal-bigdecimal\">BigDecimal<\/a><\/noindex>, dat manipulatie van decimale getallen met willekeurige precisie mogelijk maakt (een analoog van BigInt voor getallen met basis 10). De implementatie van operatoroverloading is bijgewerkt. Er zijn <noindex><a rel=\"nofollow\" href=\"https:\/\/bellard.org\/quickjs\/pi.html\">voorbeelden<\/a><\/noindex> programma's toegevoegd voor effici\u00ebnte berekeningen van het getal Pi met een nauwkeurigheid tot een miljard cijfers achter de komma (als wiskundige is Fabrice Bellard bekend als de maker van de snelste formule voor het berekenen van het getal Pi).<\/p>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>Bron: <a \ncontent=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=52224\">opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0424\u0440\u0430\u043d\u0446\u0443\u0437\u0441\u043a\u0438\u0439 \u043c\u0430\u0442\u0435\u043c\u0430\u0442\u0438\u043a \u0424\u0430\u0431\u0440\u0438\u0441 \u0411\u0435\u043b\u043b\u0430\u0440 (Fabrice Bellard), \u043e\u0441\u043d\u043e\u0432\u0430\u0432\u0448\u0438\u0439 \u0432 \u0441\u0432\u043e\u0451 \u0432\u0440\u0435\u043c\u044f \u043f\u0440\u043e\u0435\u043a\u0442\u044b QEMU \u0438 FFmpeg, \u043e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043b \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u0435 \u0440\u0430\u0437\u0432\u0438\u0432\u0430\u0435\u043c\u043e\u0433\u043e \u0438\u043c \u043a\u043e\u043c\u043f\u0430\u043a\u0442\u043d\u043e\u0433\u043e \u0432\u0441\u0442\u0440\u0430\u0438\u0432\u0430\u0435\u043c\u043e\u0433\u043e JavaScript-\u0434\u0432\u0438\u0436\u043a\u0430 QuickJS. \u0414\u0432\u0438\u0436\u043e\u043a \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u0438\u0432\u0430\u0435\u0442 \u0441\u043f\u0435\u0446\u0438\u0444\u0438\u043a\u0430\u0446\u0438\u044e ES2019 \u0438 \u0434\u043e\u043f\u043e\u043b\u043d\u0438\u0442\u0435\u043b\u044c\u043d\u044b\u0435 \u043c\u0430\u0442\u0435\u043c\u0430\u0442\u0438\u0447\u0435\u0441\u043a\u0438\u0435 \u0440\u0430\u0441\u0448\u0438\u0440\u0435\u043d\u0438\u044f, \u0442\u0430\u043a\u0438\u0435 \u043a\u0430\u043a \u0442\u0438\u043f\u044b BigInt \u0438 BigFloat. \u041f\u043e \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u044c\u043d\u043e\u0441\u0442\u0438 QuickJS \u0437\u0430\u043c\u0435\u0442\u043d\u043e \u043f\u0440\u0435\u0432\u043e\u0441\u0445\u043e\u0434\u0438\u0442 \u0438\u043c\u0435\u044e\u0449\u0438\u0435\u0441\u044f \u0430\u043d\u0430\u043b\u043e\u0433\u0438 (XS \u043d\u0430 35%, DukTape \u0431\u043e\u043b\u0435\u0435 \u0447\u0435\u043c \u0432 \u0434\u0432\u0430 \u0440\u0430\u0437\u0430, JerryScript \u0432 \u0442\u0440\u0438 [&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-55548","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 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