Computers, Programming
Yuav ua li cas yog lub khiav kab HTML
Khiav kab HTML - ib qho ntawm ntau cov ntsiab ntawm cov lus. Yog koj paub tseeb tias nws tsis yog cia li pom nyob rau hauv lub loj heev web. Qhov no tag muaj kev daim ntawv thov. Vim inept tuav ntawm no lub caij, ntau inexperienced developers cia ib tug loj yuam kev thaum inserting lawv nyob rau hauv koj daim ntawv nyob rau hauv loj naj npawb. Ob peb cov txawj nyeem ntawv zoo li ib yam dab tsi flickering los yog sparkling, xws li ib tug khiav txoj kab ntawm HTML. Nyob rau hauv no tsab xov xwm, peb yuav sib tham txog yuav ua li cas nrog no lub caij thiab qhov chaw uas yuav siv nws?
Sij hawm. Nyob rau hauv HTML, Ticker muab los ntawm kev siv lub tag
Cov nta. Muaj ntau web designers scrolling ntawv nyeem los HTML tau ua txais raws li ib tug phem saj. Qhov tseeb yog hais tias thaum cov neeg siv yog nyob rau hauv ib tug concentrated lub xeev, xws li thaum nyeem ntawv rau lawv tag nrho lub sij hawm yuav cuam tshuam mus ib txhis rau koj tsiv lub sawb nrog cov ntawv nyeem los yog daim duab. Vim hais tias ntawm no concentration yuav poob lawm, cov neeg pib tau lub paj hlwb, uas yuav muab tso rau lub "ntoo khaub lig" nyob rau koj qhov chaw. Yog li ntawd tsis txhob muab rau ib sab rau ntau tshaj ib tug xws li kab. Nws yog qhov zoo tshaj plaws tsis txhob siv tag tsis tas.
Ntawm no koj yuav hnov ib zajlus kom lo lus nug: "Seb nws yog tsim nyog los siv no?" Nyob rau hauv tej yam tshwm sim, koj yuav los nrog ib qho kev nthuav cov nyhuv. Piv txwv li, los ua ib tug mas scrollable pub, los yog cov xov xwm. Ua li no, siv cov attribute «taw qhia» nrog rau cov nqi «down» (sab saum toj mus rau nram qab). Cia li tsim nyog sau cia hais tias nyob rau hauv lub rooj plaub uas lub ntsug scrolling yog siv, nws yog pom zoo kom qhia kom meej lub sij loj. Tus nqi yog muab los ntawm txoj kev kab «dav» cwj pwm thiab «qhov siab». Yog hais tias koj txuas lub «on», rau daim kab xev yuav tsum nres thaum ib tug cursor rau hauv lub teb, thiab vice versa. By txuas lub sib txawv qhov tseem ceeb thiab qhov chaw kawm ib qho kab yuav los ua ib tug pab tau cov yam khoom no rau cov neeg siv.
Xaus. Ib txhia cov neeg siv tej zaum yuav pom tias koj muaj peev xwm ua tau no cov nyhuv los ntawm kev siv ib tug ntau yooj yim cov lus - JavaScript. Tiam sis tag nrho cov ntaub ntawv muaj nyob rau hauv lub scripts yuav tsis tau indexed los ntawm kev tshawb fawb xyaw. Nyob rau hauv cov ntaub ntawv ntawm lub thaj chaw ntawm ntau yam xov xwm nws yuav ua mob rau koj qhov chaw thiab txo tus naj npawb ntawm cov neeg tshiab. Ib tug scrolling HTML txoj hlua muaj nyob rau hauv lub indexing ntawm kev tshawb fawb xyaw. Yog li ntawd koj tsab ntawv xov xwm (los yog lwm yam ntaub ntawv) yuav tsum muaj rau cov neeg tshiab. Muab cwj pwm, thiab koj muaj peev xwm tsim los ntawm ib tug pa ruaj tag zoo nkauj thiab, tseem ceeb tshaj, tuav lub caij.
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