Ntev ntev, ntau tus neeg siv Is Taws Nem tsis tshua nyiam cov qhua siv nyob hauv kev muaj tiag virtual. Ntxiv mus, nws tam sim no yooj yim dua puas tau txais koj qhov chaw rau kev ua haujlwm, so los yog kev sib txuas lus hauv kev thoob ntiaj teb. Thiab tom qab qhov chaw zoo li no - chaw lossis nplooj ntawv - zoo nkaus li, Kuv xav ua kom zoo nkauj dua, qhia ntau dua, yooj yim dua. Ib txoj hauv kev kom tau txais cov txiaj ntsig xav tau yog muab qee cov ntaub ntawv lossis duab tso rau hauv cov kab nkag ntawm qhov chaw.
Qhov yooj yim txoj kev los ntxig cov kab nkag rau hauv nplooj ntawv lub vev xaib yog siv cov ntawv sau npaj-rau-siv HTML-code, uas tau pub dawb los ntawm ntau cov khoom siv hauv Internet. Qhov kev xaiv no yuav pom zoo tshaj plaws, piv txwv li, yog tias koj xav tau tso xov xwm tshiab, npaj cov lus qhia, cov lus qhia txog kev ua si, thiab lwm yam ntawm koj lub vev xaib. Hauv qhov no, koj yuav tsum nrhiav cov cai tau tsim hauv cov nplooj ntawv ntawm xaiv cov peev txheej hauv Is Taws Nem, luam thiab muab coj mus tso rau qhov chaw xav tau nyob hauv HTML code ntawm nplooj ntawv ntawm koj lub xaib. Qhov kev xaiv no yooj yim tsis tsuas yog vim koj tsis tas yuav tsum paub cov ntawv sau uas tsim cov kab tsim, tab sis kuj koj tsis tas yuav txhawj txog kev sau cov ncauj lus nrog cov ncauj lus - qhov no yuav ua tiav los ntawm cov xaib los ntawm cov kab nkag code tau los lawm. Yog tias koj yuav tsum sau cov kab nkag nrog koj tus kheej cov ntaub ntawv lossis duab, koj yuav tsum tau sau nws txoj cai rau koj tus kheej. Qhov yooj yim ntawm kev ua li no yog siv cov ntawv tshwj xeeb HTML - marquee. Nws muaj qhov qhib thiab kaw qhov chaw, thawj qhov ntawm muaj cov ntaub ntawv ntxiv - cov cwj pwm. Qhov no yog cov ntaub ntawv pabcuam uas qhia tus qhua tus browser dab tsi font thiab xim yuav tsum tshwm rau cov ntawv ntawm cov kab nkag, hauv qhov kev taw qhia qhov kev txav yuav tsum hais, qhov dav, qhov siab thiab keeb kwm ntawm lub qhov rais ntawm kab no, thiab lwm yam. Thiab nruab nrab ntawm cov qhib thiab kaw cov cim npe, cov ntawv xov xwm pub zaub mov rau nws tus kheej yog muab tso rau. Piv txwv, hauv nws daim ntawv yooj yim, cov code yuav zoo li qhov no: qhov no yog cov ntawv nkag hauv Ntawm no, tsuas yog qhov dav thiab qhov siab ntawm lub block hauv pixels (qhov dav thiab qhov siab tus cwj pwm) thiab cov ntawv nyeem scrolling tau teev tseg. Cov kev taw qhia ntawm kev txav yog teev los ntawm cov kev taw qhia cwj pwm, uas tuaj yeem muab ib ntawm plaub qhov tseem ceeb hauv lus Askiv (sab xis, sab laug, nce, nqis). Los ntawm lub neej ntawd, cov ntawv nkag tau yob - nws pib pib txuas rau nws qhov kawg, uas yuav txav mus tib seem. Yog tias koj siv tus cwj pwm cwj pwm nrog tus nqi sib hloov, tom qab ntawv nyeem, mus txog ntawm ciam teb sab xis ntawm lub qhov rais, yuav rov qab kev coj ua thiab yuav ua tsis tiav tawm ntawm ob tog (sab laug thiab sab xis lossis saum thiab hauv qab). Lwm qhov tseem ceeb ntawm cov kab ntawv scrolling yog scrollAmount. Nws teeb tsa qhov nrawm ntawm cov ntawv nyeem txav hauv qhov ntsuas ntu qhov txheeb ze - 1 txhais tau hais tias kev hloov qeeb, 2 txhais tau tias nrawm dua, thiab lwm yam. Nrog kev pab los ntawm cov cwj pwm, koj tuaj yeem tsim qhov kev ncua ua ntej pib ua haujlwm ntawm txoj kab scrolling, cov lej ntawm lub voj voog thiab ncua ntawm lawv, cov kab nrig los ntawm cov ntawv nyeem mus rau ciam teb ntawm lub qhov rais ntawm cov khoom no.
