Video: DOM manipulation txhais li cas?
2024 Tus sau: Lynn Donovan | [email protected]. Kawg hloov kho: 2023-12-15 23:47
Nws txhais tau tias ua haujlwm nrog Document Object Model, uas yog API ua haujlwm nrog XML zoo li cov ntaub ntawv. Manipulating / Hloov cov DOM txhais tau tias siv qhov API no los hloov cov ntaub ntawv (ntxiv cov ntsiab lus, tshem tawm cov ntsiab lus, txav cov ntsiab lus ncig thiab lwm yam).
Ib yam li ntawd, DOM manipulation yog dab tsi?
Cov Ntaub Ntawv Object Model ( DOM ) yog daim ntawv thov programming interface (API) rau HTML thiab XML cov ntaub ntawv. Nws txhais cov qauv kev xav ntawm cov ntaub ntawv thiab txoj kev nkag mus rau cov ntaub ntawv thiab tswj . Txawm li cas los xij, XML nthuav tawm cov ntaub ntawv no ua cov ntaub ntawv, thiab cov DOM tuaj yeem siv los tswj cov ntaub ntawv no.
Tsis tas li, DOM manipulation yog dab tsi hauv JavaScript? Cov Ntaub Ntawv Object Model ( DOM ) sawv cev rau tib daim ntawv ntawd kom nws tuaj yeem hloov kho. Cov DOM yog ib yam khoom-oriented sawv cev ntawm nplooj ntawv web, uas tuaj yeem hloov kho nrog cov lus sau xws li JavaScript . W3C ua DOM thiab WHATWG DOM cov qauv siv nyob rau hauv feem ntau niaj hnub browsers.
Qhov thib ob, DOM manipulation ua haujlwm li cas?
Nws tso cai rau ib hom lus (JavaScript) rau tswj , qauv, thiab style koj lub vev xaib. Tom qab browser nyeem koj HTML document, nws tsim ib tsob ntoo sawv cev hu ua Document Object Model thiab txhais li cas tsob ntoo tuaj yeem nkag mus tau.
Dom yog dab tsi hauv cov ntsiab lus yooj yim?
Hauv lus yooj yim , DOM tsis muaj dab tsi tab sis Cov Ntaub Ntawv Object Model. Nws tsis muaj dab tsi tab sis API hauv HTML thiab XML daim ntawv. Siv DOM API koj tuaj yeem yooj yim ua manipulation hauv cov DOM thiab nkag tau rau hauv DOM . Nws yog qhov tshwj xeeb rau qhov khoom hauv nplooj ntawv web (xws li duab, ntawv nyeem, cim npe, txuas thiab lwm yam) sawv cev.
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