{"id":36812,"date":"2019-10-31T22:13:57","date_gmt":"2019-10-31T19:13:57","guid":{"rendered":"https:\/\/prohoster.info\/blog\/vypusk-vstraivaemogo-javascript-dvizhka-duktape-2-4-0\/"},"modified":"2019-10-31T22:13:57","modified_gmt":"2019-10-31T19:13:57","slug":"vypusk-vstraivaemogo-javascript-dvizhka-duktape-2-4-0","status":"publish","type":"post","link":"https:\/\/prohoster.info\/hu\/blog\/news\/vypusk-vstraivaemogo-javascript-dvizhka-duktape-2-4-0","title":{"rendered":"A be\u00e1gyazott JavaScript motor Duktape 2.4.0 kiad\u00e1sa","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Megjelent<\/a><\/noindex> A JavaScript-motor kiad\u00e1sa Duktape 2.4.0<\/a><\/noindex>, be\u00e1gyaz\u00e1sra orient\u00e1lva a C\/C++ nyelven \u00edrt projektek k\u00f3dj\u00e1ba. A motor kompakt m\u00e9ret\u00e9vel, magas hordozhat\u00f3s\u00e1g\u00e1val \u00e9s alacsony er\u0151forr\u00e1s-felhaszn\u00e1l\u00e1s\u00e1val t\u0171nik ki. A motor forr\u00e1sk\u00f3dja C nyelven k\u00e9sz\u00fclt, \u00e9s szabadon terjeszthet\u0151k<\/a><\/noindex> MIT licenc alatt \u00e1ll. <\/p>\n

A Duktape k\u00f3dja k\u00f6r\u00fclbel\u00fcl 160 kB-t foglal el, \u00e9s mind\u00f6ssze 70 kB RAM-ot haszn\u00e1l, alacsony mem\u00f3riafogyaszt\u00e1s\u00fa \u00fczemm\u00f3dban pedig 27 kB RAM-ot. A Duktape integr\u00e1l\u00e1s\u00e1hoz a C\/C++ k\u00f3dba el\u00e9g sok<\/a><\/noindex> bele kell illeszteni a duktape.c \u00e9s duktape.h f\u00e1jlokat, \u00e9s haszn\u00e1lni kell a Duktape API-t<\/a><\/noindex> a JavaScript funkci\u00f3k C\/C++ k\u00f3db\u00f3l val\u00f3 megh\u00edv\u00e1s\u00e1hoz, vagy ford\u00edtva. A mem\u00f3ri\u00e1b\u00f3l a nem haszn\u00e1lt objektumok felszabad\u00edt\u00e1s\u00e1hoz egy kombin\u00e1lt mark-and-sweep (c\u00edmk\u00e9z\u00e9s \u00e9s s\u00f6pr\u00e9s) alap\u00fa v\u00e9gzettSzerepl\u0151 keres\u0151 k\u00e9zi mem\u00f3riagy\u0171jt\u0151 alkalmaz\u00e1sra ker\u00fcl. algoritmus<\/a><\/noindex> a referencia-sz\u00e1ml\u00e1l\u00e1s alapj\u00e1n. A motort JavaScript feldolgoz\u00e1s\u00e1ra haszn\u00e1lj\u00e1k a NetSurf<\/a><\/noindex>.<\/p>\n

Teljesk\u00f6r\u0171 kompatibilit\u00e1st biztos\u00edt az Ecmascript 5.1 specifik\u00e1ci\u00f3val, \u00e9s r\u00e9szlegesen Passkey<\/a><\/noindex> Ecmascript 2015 \u00e9s 2016 (E6 \u00e9s E7), bele\u00e9rtve a Proxy objektum t\u00e1mogat\u00e1s\u00e1t a tulajdons\u00e1gok virtualiz\u00e1ci\u00f3j\u00e1hoz, t\u00edpusos t\u00f6mb\u00f6ket, ArrayBuffer-t, Node.js Buffer-t, Encoding API-t, Symbol objektumot stb. Tartalmaz be\u00e9p\u00edtett hibakeres\u0151t, regul\u00e1ris kifejez\u00e9sek v\u00e9grehajt\u00f3 motorj\u00e1t \u00e9s Unicode t\u00e1mogat\u00e1si alrendszert. Ezenk\u00edv\u00fcl specifikus kiterjeszt\u00e9seket is biztos\u00edt, mint p\u00e9ld\u00e1ul a folytat\u00e1s t\u00e1mogat\u00e1sa, be\u00e9p\u00edtett napl\u00f3z\u00e1si keretrendszer, a CommonJS alap\u00fa modulok bet\u00f6lt\u00e9si mechanizmusa \u00e9s byte-k\u00f3d cache-rendszer, amely lehet\u0151v\u00e9 teszi a leford\u00edtott funkci\u00f3k ment\u00e9s\u00e9t \u00e9s bet\u00f6lt\u00e9s\u00e9t.<\/p>\n

Az \u00faj kiad\u00e1sban implement\u00e1lva lettek<\/a><\/noindex> \u00daj h\u00edv\u00e1sok a duk_to_stacktrace() \u00e9s a duk_safe_to_stacktrace() a stack trace-ek lek\u00e9r\u00e9s\u00e9re, duk_push_bare_array() az \u00f6n\u00e1ll\u00f3 t\u00f6mbp\u00e9ld\u00e1nyok hozz\u00e1ad\u00e1s\u00e1hoz. A nyilv\u00e1nos funkci\u00f3k k\u00f6z\u00e9 ker\u00fclt a duk_require_constructable() \u00e9s a duk_require_constructor_call(). Jav\u00edtott\u00e1k az ES2017 specifik\u00e1ci\u00f3val val\u00f3 kompatibilit\u00e1st. Optimaliz\u00e1lt\u00e1k a t\u00f6mb\u00f6kkel \u00e9s objektumokkal val\u00f3 munkav\u00e9gz\u00e9st. A duk CLI interf\u00e9sz\u00e9hez hozz\u00e1adva a «—no-auto-complete» opci\u00f3 az automatikus kieg\u00e9sz\u00edt\u00e9s letilt\u00e1s\u00e1hoz.<\/p>\n

<\/a><\/noindex><\/p>\n

Forr\u00e1s: opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\u041e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d \u0432\u044b\u043f\u0443\u0441\u043a JavaScript-\u0434\u0432\u0438\u0436\u043a\u0430 Duktape 2.4.0, \u043e\u0440\u0438\u0435\u043d\u0442\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u043e\u0433\u043e \u043d\u0430 \u0432\u0441\u0442\u0440\u0430\u0438\u0432\u0430\u043d\u0438\u0435 \u0432 \u043a\u043e\u0434\u043e\u0432\u0443\u044e \u0431\u0430\u0437\u0443 \u043f\u0440\u043e\u0435\u043a\u0442\u043e\u0432 \u043d\u0430 \u044f\u0437\u044b\u043a\u0435 C\/C++. \u0414\u0432\u0438\u0436\u043e\u043a \u043e\u0442\u043b\u0438\u0447\u0430\u0435\u0442\u0441\u044f \u043a\u043e\u043c\u043f\u0430\u043a\u0442\u043d\u044b\u043c \u0440\u0430\u0437\u043c\u0435\u0440\u043e\u043c, \u0432\u044b\u0441\u043e\u043a\u043e\u0439 \u043f\u0435\u0440\u0435\u043d\u043e\u0441\u0438\u043c\u043e\u0441\u0442\u044c\u044e \u0438 \u043d\u0438\u0437\u043a\u0438\u043c \u043f\u043e\u0442\u0440\u0435\u0431\u043b\u0435\u043d\u0438\u0435\u043c \u0440\u0435\u0441\u0443\u0440\u0441\u043e\u0432. \u0418\u0441\u0445\u043e\u0434\u043d\u044b\u0435 \u0442\u0435\u043a\u0441\u0442\u044b \u0434\u0432\u0438\u0436\u043a\u0430 \u043d\u0430\u043f\u0438\u0441\u0430\u043d\u044b \u043d\u0430 \u044f\u0437\u044b\u043a\u0435 \u0421\u0438 \u0438 \u0440\u0430\u0441\u043f\u0440\u043e\u0441\u0442\u0440\u0430\u043d\u044f\u044e\u0442\u0441\u044f \u043f\u043e\u0434 \u043b\u0438\u0446\u0435\u043d\u0437\u0438\u0435\u0439 MIT. \u041a\u043e\u0434 Duktape \u0437\u0430\u043d\u0438\u043c\u0430\u0435\u0442 \u043e\u043a\u043e\u043b\u043e 160 kB \u0438 \u043f\u043e\u0442\u0440\u0435\u0431\u043b\u044f\u0435\u0442 \u0432\u0441\u0435\u0433\u043e 70kB \u041e\u0417\u0423, \u0430 \u0432 \u0440\u0435\u0436\u0438\u043c\u0435 \u043d\u0438\u0437\u043a\u043e\u0433\u043e \u043f\u043e\u0442\u0440\u0435\u0431\u043b\u0435\u043d\u0438\u044f \u043f\u0430\u043c\u044f\u0442\u0438 27kB […]<\/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-36812","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\n","aioseo_head_json":{"title":"\ud83e\udd47A Duktape 2.4.0 be\u00e1gyazhat\u00f3 JavaScript-motor kiad\u00e1sa | ProHoster","description":"A Duktape JavaScript-motor kiad\u00e1sra ker\u00fclt.","canonical_url":"https:\/\/prohoster.info\/hu\/blog\/news\/vypusk-vstraivaemogo-javascript-dvizhka-duktape-2-4-0","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":null,"og:locale":"hu_HU","og:site_name":"ProHoster | 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