Ho lokolloa ha enjine ea JavaScript , e reretsoeng ho kenella ka har'a motheo oa khoutu ea merero ka puo ea C/C++. Enjene e kopane ka boholo, e nkeha haholo ebile e sebelisoa ka tlase. Khoutu ea mohloli oa enjene e ngotsoe ka C le tlas'a laesense ea MIT.
Khoutu ea Duktape e nka hoo e ka bang 160 kB mme e sebelisa 70 kB feela ea RAM, 'me ka mokhoa o tlase oa tšebeliso ea memori 27 kB ea RAM. Ho kopanya Duktape ho khoutu ea C/C++ eketsa lifaele duktape.c le duktape.h morerong, 'me u sebelise ho letsetsa mesebetsi ea JavaScript ho tsoa ho khoutu ea C/C++ kapa ka tsela e fapaneng. Ho lokolla lintho tse sa sebelisoeng mohopolong, mokelli oa lithōle o nang le sephetho o sebelisoa, o hahiloeng motheong oa motsoako. ho bala sehokelo ka algorithm ea ho tšoaea (Mark le Fiela). Enjene e sebelisoa ho sebetsana le JavaScript ho sebatli .
E fana ka tšebelisano e felletseng le litlhaloso tsa Ecmascript 5.1 le karolo e itseng Ecmascript 2015 le 2016 (E6 le E7), ho kenyeletsoa tšehetso ea ntho ea Proxy bakeng sa virtualization ea thepa, Typed Arrays, ArrayBuffer, Node.js Buffer, Encoding API, Symbol object, joalo-joalo. E kenyelletsa debugger e hahelletsoeng, enjine ea kamehla ea polelo, le sistimi e tlase bakeng sa tšehetso ea Unicode. Li-extensions tse khethehileng li boetse li fanoa, tse kang tšehetso ea coroutine, moralo oa ho rema lifate o hahelletsoeng ka har'a mochini, mochini oa ho jarolla module oa CommonJS, le sistimi ea caching ea bytecode e u lumellang ho boloka le ho kenya mesebetsi e hlophisitsoeng.
Phatlalatsong e ncha mehala e mecha ho duk_to_stacktrace() le duk_safe_to_stacktrace() ho fumana trace ea stack, duk_push_bare_array() ho kenya mefuta e ikemetseng. Mesebetsi duk_require_constructable() le duk_require_constructor_call() e phatlaladitswe. Tšebelisano e ntlafalitsoeng le litlhaloso tsa ES2017. Mosebetsi o nang le lihlopha le lintho o ntlafalitsoe. E kenyellelitsoe khetho ea "-no-auto-complete" ho duk CLI interface ho tima ho phethela ho kenya.
Source: opennet.ru