Iimfuno ezibalulekileyo zeTshintsho kwiCascade
Enye yeendlela ezilungileyo zokufunda indlela yokukhuphela iiwebhsayithi kukujonga iikhowudi zomthombo kwezinye iisayithi. Lo mkhuba kukuba abaninzi abaqeqeshi bewebhu bafunda ubugcisa babo, ingakumbi kwiintsuku phambi kokuba kukho iindlela ezininzi zokufunda idizayini , iincwadi kunye neendawo zokuqeqeshwa kwi-intanethi.
Ukuba uzama lo mkhuba kwaye ujonge iifayile ze-cascading style (CSS), into enye ongayibona kule khowudi ngumgca othi! Kubalulekile.
Kuthetha ukuthini oko kwaye, ngokubalulekayo, ungayisebenzisa njani ngokufanelekileyo eso simemezelo kwiimakhishithi zakho?
I-Cascade yeCSS
Okokuqala, kubalulekile ukuqonda ukuba ama-sheets of cascading style are actually discarded , oku kuthetha ukuba kufakwe umyalelo othile. Ngokubanzi, oku kuthetha ukuba izitayela zisetyenziswe ngendlela efundwa ngumkhangeli. Isitayela sokuqala sisetyenzisiwe kwaye ke okwesibini njalo njalo.
Ngenxa yoko, ukuba isitala sibonakala phezulu kwiphepha lesitayela kwaye sitshintshiswa phantsi kwelo catshulwa, umzekelo wesibini weso simboli sisetyenziswe kwiziganeko ezilandelayo, kungekhona okokuqala. Ngokwenene, ukuba izitayela ezimbini zithetha into efanayo (oko kuthetha ukuba banamanqanaba afanayo), okokugqibela kuludwe luya kusetyenziswa.
Ngokomzekelo, makhe sicinge ukuba ezi ndlela zilandelayo zifakwe kwiphepha lesitayela. Isiqendu somhlathi siya kuhanjiswa kumnyama, nangona isakhiwo sokuqala sepropati esisetyenzisiweyo sibomvu.
Oku kungenxa yokuba ixabiso "elimnyama" lihlwini lwesibini. Ekubeni i-CSS ifundwa phezulu ukuya kwezantsi, isitayela sokugqibela "singumnyama" kwaye ngoko ke lowo uzuza.
p {umbala: obomvu; }
p {umbala: omnyama; }
Hayi! Kubalulekile ukutshintsha i-Priority
Ngoku ukuba uyaqonda ukuba le mithetho ecwangcisekileyo ifana nayo iCSS, sinokujonga indlela umyalelo obaluleke ngayo utshintsha izinto.
I-directive ebalulekileyo ichaphazela indlela i- CSS yakho ihamba ngayo xa ulandela imigaqo ovakalelwa kukuba ibaluleke kakhulu kwaye kufuneka ifakwe. Umgaqo onalo! Umyalelo obalulekileyo usebenza njalo kungakhathaliseki ukuba lo mgaqo uvela kumqulu weCSS.
Ukwenza umhlathi uhlale ubomvu, ukusuka kumzekelo ongentla, uya kusebenzisa:
p {umbala: obomvu! kubalulekile; }
p {umbala: omnyama; }
Ngoku yonke itekisi iya kubonakala ebomvu, nangona ixabiso "elimnyama" liluhlu lwesibini. I-directive ebalulekileyo iphakamisa imigaqo eqhelekileyo ye-cascade kwaye inika loo ndlela isicaciso esiphezulu.
Ukuba unyanzelekile ukuba imihlathi ibonakale ibomvu, le ndlela izakwenza, kodwa oko akuthethi ukuba oku kuyindlela efanelekileyo. Masilandele ngokulandelayo xa ufuna ukusetyenziswa! Kubalulekile kwaye xa kungafanelekanga.
Ixesha lokusetyenziswa! Kubalulekile
I-directive ebalulekileyo inceda kakhulu xa uvavanya kwaye ulungisa i-website. Ukuba awuqinisekanga ukuba kutheni isitayela singasetyenziswanga kwaye ucinge ukuba ingaba ngumcimbi othile, ungongeza! Isibhengezo esibalulekileyo kwisitayela sakho ukuze ubone ukuba uyayilungisa.
Ukuba ukongeza! Kubalulekile ngokwenene ukulungisa ingxaki yesitayela, sele uzimisele ukuba ngumcimbi othile. Nangona kunjalo, awufuni ukushiya loo! Ikhowudi ebalulekileyo endaweni, ibekwa kuphela kwiinjongo zokuvavanya.
Ekubeni uvavanyo luyenziwe, ngoku kufuneka ususe loo myalelo kwaye uhlengahlengele umkhethi wakho ukufezekisa ukuba ufuna ukufumana ifayile yakho isebenza. ! kubalulekile akufuneki ukwenza indlela yayo kwiindawo zakho zokuvelisa, ngenxa yendlela ekutshintsha ngayo i-cascade evamile.
Ukuba uncike kakhulu kwi-declaration ebalulekileyo ukuphumeza izitayela zakho ezifunwayo, ekugqibeleni uza kuba nephepha lesitayela elineziganeko ezibalulekileyo. Uya kuba ushintshe ngokuyisiseko indlela le CSS yekhasi iqhutyelwa ngayo. Umkhuba onobuqili ongeyinto efanelekileyo kwixesha elide lokulawula.
Sebenzisa! Kubalulekile ukuvavanya okanye, kwezinye iimeko, xa ufanele ukhulule isitayela esisezantsi esincinci yomxholo okanye isakhelo sethemplate.
Kwanjalo kwimeko, sebenzisa le ndlela ngokukhawuleza kwaye kunoko uzame ukubhala amaphepha amaphepha ahlanzekileyo aqonde ukuba i-cascade.
AmaSpredishithi wesitayela somsebenzisi
Kukho inqaku elilodwa lokugqibela kwi-myalelo ebalulekileyo ebalulekileyo ukuqonda. Esi sikhokelo safakwa kwakhona ukuze kuncede abasebenzisi bephepha bewebhu baqalane neestiyiti zesitayela ezenza ukuba nzima ukuwasebenzisa okanye ukufunda.
Ngokuqhelekileyo, ukuba umsebenzisi uchaza ishidi lesitayela ukujonga amaphepha ewebhu, loo fayile isetyenziswe ngumshicileli wephepha lombhali wewebhu. Ukuba umsebenzisi ubonakalisa isita njengoko! Kubalulekile, loo ndlela igqithisa ishidi lomdwebi wephepha lewebhu, nokuba ngaba umbhali ubonisa umgaqo! Kubalulekile.
Oku kunceda kubasebenzisi abafuna ukuseta izitayela ngendlela ethile. Ngokomzekelo, umntu unokufuna ukunyusa ubungakanani befonti obungaguquki kuwo onke amaphepha ewebhu abasebenzisayo. Ngokusebenzisa i-directive yakho ebalulekileyo ngokukhawuleza kwiphepha oyakhayo, uhlala kuzo zonke iimfuno ezizodwa abasebenzisi bakho abanakho.
Ehlelwe nguJeremy Girard