Video: Dab tsi yog asynchronous programming?
2024 Tus sau: Lynn Donovan | [email protected]. Kawg hloov kho: 2023-12-15 23:47
Asynchronous programming yog ib tug txhais tau tias ntawm parallel programming nyob rau hauv uas ib chav tsev ntawm kev ua hauj lwm sib cais los ntawm lub ntsiab daim ntawv thov xov thiab ceeb toom rau lub xov tooj ntawm nws ua tiav, tsis ua hauj lwm los yog kev vam meej. Tej zaum koj yuav xav tsis thoob thaum koj yuav tsum siv asynchronous programming thiab nws cov txiaj ntsig thiab cov ntsiab lus teeb meem yog dab tsi.
Ntxiv mus, asynchronous txhais li cas hauv programming?
Asynchronous programming yog a txhais tau tias ntawm parallel programming nyob rau hauv uas ib chav tsev ntawm kev ua hauj lwm sib cais los ntawm lub ntsiab daim ntawv thov xov thiab ceeb toom rau lub xov tooj ntawm nws ua tiav, tsis ua hauj lwm los yog kev vam meej. Tej zaum koj yuav xav tsis thoob thaum koj yuav tsum siv asynchronous programming thiab nws cov txiaj ntsig thiab cov ntsiab lus teeb meem yog dab tsi.
Qhov thib ob, dab tsi yog asynchronous programming hauv JavaScript? Taw Qhia Rau Asynchronous Programming hauv JavaScript Qhov no txhais tau hais tias cov cai uas tau siv sij hawm los ua kom tiav (xws li nkag mus rau API, nyeem cov ntsiab lus los ntawm cov ntaub ntawv hauv zos thiab lwm yam) raug tua nyob rau hauv keeb kwm yav dhau thiab nyob rau tib lub sijhawm cov lej ua tiav txuas ntxiv.
Ib yam li ntawd, tib neeg nug, dab tsi yog synchronous thiab asynchronous programming?
Synchronous Qhov tseeb txhais tau tias koj tsuas tuaj yeem ua ib yam ntawm ib lub sijhawm. Asynchronous txhais tau hais tias koj tuaj yeem ua ntau yam ntawm ib lub sijhawm thiab koj tsis tas yuav ua tiav qhov ua tiav tam sim no txhawm rau txav mus rau lwm qhov.
Ib qho piv txwv ntawm kev sib txuas lus asynchronous yog dab tsi?
Ib kev sib txuas lus asynchronous kev pabcuam lossis daim ntawv thov tsis tas yuav muaj tus nqi me ntsis. Piv txwv yog hloov ntaub ntawv, email thiab World Wide Web. Ib piv txwv ntawm qhov opposite, ib tug synchronous kev sib txuas lus service, yog realtime streaming media, rau piv txwv IP xov tooj, IP-TV thiab video conferencing.
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