Ngezingxenye eziningi ze-HTML, uma ubhala ikhodi ye-HTML ukuze ubonise kuzo ekhasini, uqala ngethegi yokuvula uphinde uqede ithegi yokuvala. Phakathi kwalawo ma-tag amabili kungaba okuqukethwe kwento. Ngokwesibonelo:
Lokhu okuqukethwe kokuqukethwe
Leso sigaba esilula sichaza indlela okuzosetshenziswa ngayo ithegi yokuvula nokuvala. Izinto eziningi ze-HTML zilandela leli phethini, kodwa kunamathegi amaningi we-HTML angenayo kokubili ithegi yokuvula nokuvala.
Iyini i-Void Element?
Izakhi ezingavamile noma amathegi we-singleton ku-HTML yiwo amathegi awadingi ukuthi ithegi yokuvala ivumeleke. Lezi zici ngokuvamile zikhona ukuthi zimele zodwa ekhasini noma lapho ukuphela kokuqukethwe kwazo kusobala kusukela kumongo wekhasi ngokwayo.
Uhlu lwe-HTML Void Elements
Kukhona amathegi amaningi we-HTML angu-5 angabonakali. Uma ubhala i-HTML evumelekile, kufanele ushiye ukulayishwa okulandelanayo kulawa makaki - yilokho okuboniswa ngezansi. Uma ubhala i-XHTML, i-slash ehambayo iyodingeka.
- esetshenziselwa indawo ngaphakathi kwebalazwe lesithombe
- i-URL eyisisekelo yazo zonke ama-URL ahlobene nedokhumenti. Akunakubekwa okungaphezulu kokungu-1 kulawa mbhalo ngalunye futhi kumele kube ku lekhasi
- lokhu kuphulwa komugqa, okuvame ukusetshenziselwa umbhalo wokuqukethwe ukuze udale ukuhlukana okukodwa kunesigaba. Lokhu akumele kusetshenziselwe ukwakha ukuhlukaniswa okubukwayo ekhasini ngokufaka amathegi amaningi emicimbini kusukela lapho kuyisidingo esibukwayo ngakho-ke isizinda se-CSS
- icacisa izindawo zekholomu kukholomu ngayinye ngaphakathi kweqenjini le- - ucacisa umyalo umsebenzisi angawacela
- umthetho oqondile, olayini oqondile ekhasini. Ezimweni eziningi, imingcele ye-CSS isetshenziselwa ukwakha imigqa yehlukanisi esikhundleni salesi sici se-HTML
- enye yezingxenye ze-HTML, lo mfanekiso wesithombe. Isetshenziselwa ukwengeza izithombe ezibonakalayo ekhasini lewebhu.
- isici sefomu esisetshenziselwa ukuthatha ulwazi kusuka kuzivakashi. Kukhona izinhlobo eziningi zokufaka ezivumelekile, kusukela kokufakwayo okuvamile "kokubhala" okuye kwasetshenziselwa amafomu iminyaka, kwezinye izinhlobo ezintsha zokufakwayo eziyingxenye ye-HTML5
- lokhu kusetshenziselwa ukubeka insimu yekhibhodi eyinhloko esetshenziselwa amafomu - ukuze ungadideki ne-"hyperlink" noma i-anchor () tag, lesi sixhumanisi sizosetha ukuhlanganiswa phakathi kwedokhumenti kanye nesisetshenziswa sangaphandle. Ungayisebenzisa ukuxhumanisa nefayela langaphandle le-CSS, isibonelo
Amamitha - ameta meta "ulwazi mayelana nokuqukethwe". Zitholakala
yedokhumenti futhi zisetshenziselwa ukudlulisela ulwazi lwekhasi kusiphequluli. Kunamathegi amaningi we-meta ongawasebenzisa ekhasini lewebhu - isetshenziselwa ukuchaza imingcele ye-plugin
- leli gama likuvumela ukuba ucacise ezinye izindlela zefayela zemidiya ekhasini lakho, kufaka phakathi amavidiyo noma izithombe noma amafayela alalelwayo - le tag ithetha ithrekhi okufanele isetshenziswe ngefayela lezindaba, ividiyo noma umsindo, okuvame ukungenwa ngamathegi we << - lokhu kusho iZwi Ukuphumula Umathuba. Icacisa ukuthi kunombhalo ozokwamukeleka ukwengeza i-break-break.
Ngokuphindaphindiwe, lezi tags ze-singleton zihlukile ekubuseni ngokuphambene nomthetho kusukela iningi lezici ze-HTML zenza ngempela, zidinga ukuvula nokuvala ithegi. Kulezi zakhi ze-singleton, abanye kungenzeka ukuthi basebenzise kaningi (njenge-img, meta, noma okokufaka), kuyilapho abanye kungase kungadingeki basebenze emsebenzini wakho wokuklama wewebhu (i-keygen, i-wbr, nomyalo yizinto eziyinhloko eziqinisekile akuvamile kumakhasi ewebhu). Noma kunjalo, evamile noma engajwayelekile emakhasini we-HTML, kuyasiza ukuba ujwayelane nalezi tag futhi wazi ukuthi umqondo ovela kumathegi we-HTML angasenhla. Ungasebenzisa lolu hlu njengesibonakaliso sokuthuthukiswa kwakho kuwebhu.
Isihloko sokuqala sikaJennifer Krynin. Ihlelwe nguJeremy Girard ngomhlaka 5/5/17.