Isikhethi se-apula Uma uhlela ngolimi lwe-CSS, lo msizi odizayinelwe i-iPad ungowakho nje! Isicelo Ireferensi ye-CSS yathuthukiswa yinkampani i-Damon Skelhorn, ngemuva kwayo inenani lezicelo ezifanayo zonjiniyela abaqalayo ku-HTML, jQuery noma PHP.
Kulabo abasaqalayo noma abafuna ukuqala amawebhusayithi wokuhlela, ngingathanda ukubhala kancane ngolimi lwe-CSS ngokwalo. I-CSS, noma izitayela ze-cascading, zidalwe yinhlangano yamazinga we-w3schools ukuhlukanisa ukwakheka kokuqukethwe nokubukeka kwayo. Kalula nje, i-CSS isetshenziselwa ukuklama ikhasi elibhalwe ngolimi lwe-HTML. Lokhu kulandela ukuthi i-CSS iyisisekelo sokudala iwebhusayithi eklanywe ngokuphelele.
Kungani uhlelo lokusebenza luhle kangaka?
Uhlelo lokusebenza alulungile, kodwa luhle kakhulu! Ukukukholisa, ngizozama ukunikeza isibonelo. Ake sithi ungumfundi esikoleni esithile sobuchwepheshe owenza kakhulu ukuhlela. Uthisha wembula izimfihlo zohlelo lwe-HTML. Futhi kholwa kimi, i-HTML izolandelwa yi-CSS, okuzodingeka ufunde ngayo ukuhlukanisa phakathi kwe-HTML njengesakhiwo sombhalo kanye ne-CSS njengokubukeka kwayo. Ungase ucabange, "Yimithetho embalwa kanye nezakhiwo ezimbalwa." Izikhathi eziningi kuba njalo, kodwa ngicabanga ukuthi ungena esimweni lapho unesikhathi esincane nokuningi okufanele ukwenze. Isibonelo, ekuhlolweni okungenzeka kube lula, kodwa kufanele udale iwebhusayithi futhi unamahora amabili ekilasi kuphela ukuze ukwenze. Uqala ukudideka, ukhohlwe amathegi, futhi esikhundleni sokukhumbula isikhathi eside noma ukusesha encwadini, kukhona i-CSS Reference, ongayiqala futhi ngemizuzwana embalwa usunazo zonke izakhiwo ndawonye, zihlelwe kahle futhi zicacile. Angeke uvunyelwe ukusebenzisa amathuluzi akho ngesikhathi sokuhlolwa - kusafanele uthenge. Ufunda futhi azijwayeze kahle kakhulu kulolu hlelo lokusebenza. Ngicabanga ukuthi ingakusindisa ekulimaleni futhi izohlale ikunikeza ulwazi oludingayo kanye nomuzwa wokuqiniseka ukuthi uzophumelela.
Ukuqaliswa kwesicelo kulula kakhulu, kodwa ngakolunye uhlangothi, njengoba besho, ngezinye izikhathi okuncane kumane kuningi. Lokhu kuyiqiniso eliphindwe kabili kusithenjwa se-CSS. Uhlelo lokusebenza lwakhiwe ngamakholomu amabili ayisisekelo, acace ngokuphelele. Ikholomu yokuqala iwuhlu oluseshekayo lwama-alfabhethi lwezakhiwo zesitayela se-cascading. Ukusesha kusetshenziselwa ukuthola ngokushesha indawo oyifunayo. Uhlu luhlelwe ngokunengqondo lwaba izihlokwana ezingazodwana eziqukethe izici ezihlobene nesihlokwana. Ngokwesibonelo, umbhalo ongezansi amabhokisi noma Imodeli yebhokisi iqukethe izakhiwo wekhasi, ukupheda a umngcele. Isakhiwo ngasinye siyasebenzisana, uma uchofoza kuso, ikholomu yesibili kwesokudla ibonisa incazelo kanye nalo lonke ulwazi mayelana nendawo. Incazelo icacisa ukuthi isakhiwo sisetshenziselwa ini, sisetshenziswa nini, nokuthi yiziphi izakhi. Isibonelo, impahla eshiwo kakade umngcele, esetshenziswa nesici, isibonelo umbala, ichaza ngokucacile ukuthi yini, nini futhi kanjani. Isibonelo ngasinye sikhonjiswe ngesithombe, esingesempahla nesici ngasinye. Izophinde ikubonise umbhalo oqondile wendawo. Lokhu kudingekile kakhulu, ngoba uma uyayazi indawo, kodwa awukwazi ukubhala indawo ngendlela efanele, lonke ulwazi alunamsebenzi kuwe.
Ekuphetheni
Isilinganiso sami se-CSS Reference sihle kakhulu - mina ngokwami ngisizwe yilolu hlelo lokusebenza. Kulula kakhulu, kucacile, ngakho-ke nginesibindi sokusho ukuthi angizange ngibone isicelo esingcono sezitayela ze-cascading. Lolu sizo lwalo mhleli lubhalwe kalula ukuze ngisho nolimi lwesiNgisi oluyisisekelo nezithombe ezichazayo zesici ngasinye, ukwazi ukusifunda futhi usiqonde kahle.
Author: Dominik Šefl
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Angikwazi ukucabanga ngibhala i-CSS futhi ngixazulula noma yiluphi uhlobo losizo ku-iPad ngokuhambisana. Kunalokho, kungcono ukusetha umhleli, uthembele osizweni lwaso, futhi useshe imanyuwali yereferensi ku-inthanethi uma kunesidingo. Ezinsukwini ezimbalwa, umuntu uzizwa esekhaya ku-CSS futhi udinga ukukwazi ukusika kahle, ukugwema izingibe zesiphequluli, futhi i-CSS ngokwayo iyona encane.