Izinhlangano ezibalulekile zokushintsha ku-Cascade
Enye yezindlela ezinhle kakhulu zokufunda ukuthi ungayikhohlisa kanjani amawebhusayithi ukubuka amakhodi womthombo kwamanye amasayithi. Lo mkhuba wukuthi abaqeqeshi bewebhu abaningi bafunde kanjani ubuciko babo, ikakhulukazi ezinsukwini ngaphambi kokuba kube nezinketho eziningi kakhulu zokufunda ngewebhu , izincwadi , nezindawo zokuqeqeshwa kwi-intanethi.
Uma uzama lo mkhuba bese ubheka amashidi wesitayela se-cascading (CSS) yesayithi, into eyodwa ongayibona kuleyo khodi yimizila ethi! Kubalulekile.
Lokho kusho ukuthini futhi, njengoba kubalulekile, ulisebenzisa kanjani kahle lesi simemezelo kumashidi wakho wesitayela?
I-Cascade ye-CSS
Okokuqala, kubalulekile ukuqonda ukuthi amashidi e-cascading style ahlasela ngempela, okusho ukuthi abekwe ngendlela ethile. Ngokuvamile, lokhu kusho ukuthi izitayela zisetshenziswe ku-oda ezifundwa yisiphequluli. Isitayela sokuqala sisetshenzisiwe bese kuthi sesibili nokunye.
Ngenxa yalokho, uma isitayela sibonakala phezulu kwesitayela sesitayela bese sishintshwa phansi ngaphansi kwedokhumenti, isibonelo sesibili saleso sitayela sisetshenziselwa izimo ezalandela, hhayi ezokuqala. Ngokuyinhloko, uma izitayela ezimbili zisho into efanayo (okusho ukuthi banezinga elifanayo lokwaziswa), okugcina okuzofakwa kuhlu kuzosetshenziswa.
Isibonelo, ake sicabange ukuthi izitayela ezilandelayo ziqukethwe kwishidi lesitayela. Umbhalo wendima wawuzohunyushwa ngobumnyama, nakuba isakhiwo sokuqala sesitayela sisetshenzisiwe sibomvu.
Lokhu kungenxa yokuthi inani "elimnyama" lihlelwe okwesibili. Njengoba i-CSS ifundwa phezulu kuya kwesezansi, isitayela sokugcina "sinobumnyama" ngakho-ke lokho kuphumelela.
p {umbala: obomvu; }}
p {umbala: omnyama; }}
Kanjani! Izinguquko ezibalulekile eziPhambili
Manje ukuthi uyaqonda ukuthi le mithetho ecishe ibe yifanayo iqhutshwa kanjani yi-CSS, singabheka indlela i-directive ebalulekile! Ishintsha izinto kancane.
I-directive ebalulekile iyathinta indlela i- CSS yakho ehamba ngayo lapho ulandela imithetho ozizwa ngayo ibaluleke kakhulu futhi kufanele isetshenziswe. Umthetho onomyalelo obalulekile! Usebenza ngaso sonke isikhathi kungakhathaliseki ukuthi lo mthetho ubonakala kuphi kumqulu we-CSS.
Ukuze wenze umbhalo wendima ube obomvu njalo, kusuka kusibonelo esingenhla, uzosebenzisa:
p {umbala: obomvu! kubalulekile; }}
p {umbala: omnyama; }}
Manje wonke umbhalo uzovela obomvu, nakuba inani "elimnyama" lihlelwe okwesibili. I-directive ebaluleke kakhulu ihambisana nemithetho evamile ye-cascade futhi inikeza leso sitayela ngokucacile kakhulu.
Uma ngabe udinga ukuthi lezi zigaba zibonakale zibomvu, lesi sitawu sizokwenza, kepha lokho akusho ukuthi lokhu kuyindlela enhle. Ake sibheke ngokulandelayo lapho ungase ufune ukuyisebenzisa! Kubalulekile futhi uma kungalungile.
Isikhathi sokusebenzisa! Kubalulekile
I-directive ebalulekile iyasiza kakhulu uma uhlola futhi ususa iphutha iwebhusayithi. Uma ungaqiniseki ukuthi kungani isitayela singasetshenzisiwe futhi ucabanga ukuthi kungase kube inkinga ethile, ungangezela! Isimemezelo esibalulekile kwisitayela sakho ukuze ubone ukuthi lokho kuyayilungisa.
Uma ukwengeza! Kubalulekile ngempela ukulungisa inkinga yesitayela, usanda kunquma ukuthi kuyinkinga ethile. Kodwa-ke, awufuni ukushiya lokho! Ikhodi ebalulekile endaweni, ibekwe kuphela lapho kuhlolwe khona.
Njengoba ukuhlolwa sekuqedile, manje kufanele ususe leso siqondiso futhi ulungise umakhethi wakho ukuze afinyelele okucacile okudingayo ukuze usebenzise isitayela sakho. ! okubalulekile akufanele kwenziwe indlela yakho yokukhiqiza amasayithi, okuyingxenye ngenxa yokuthi ishintsha kanjani i-cascade evamile.
Uma uncike kakhulu ku-isimemezelo esibalulekile sokufeza izitayela ozifunayo, ekugcineni uzoba neshidi lesitayela eligcwele! Izitayela ezibalulekile. Uzoshintsha ngokuyinhloko indlela CSS yekhasi elicutshungulwa ngayo. Kungumkhuba ovilaphayo ongewona omuhle wokubheka isikhathi eside.
Sebenzisa! Okubalulekile ukuhlola noma, kwezinye izimo, uma kufanele ngokuphelele ukunqoba isitayela esincinyiwe esiyingxenye yesikhulumi noma uhlaka lwesifanekiso.
Ngisho nakulezo zimo, sebenzisa le ndlela ngendlela encane ngangokunokwenzeka futhi kunalokho uzama ukubhala amashidi ahlanzekile ajwayelekile aqonda ukuthi i-cascade.
AmaSpredishithi wesitayela somsebenzisi
Kukhona inothi elilodwa lokugcina e-directive ebalulekile! Ebalulekile ukuqonda. Lesi siqondiso safakwa futhi ukusiza abasebenzisi bekhasi lewebhu abhekane namashidi wesitayela okwenza amakhasi abe nzima ukuba basebenzise noma bafunde.
Ngokuvamile, uma umsebenzisi echaza ishidi lesitayela ukuze abuke amakhasi ewebhu, leso shidi sesitayela sigxiliwe ngeshidi lesitayela somlobi wekhasi lewebhu. Uma umsebenzisi ekhombisa isitayela njengoba! Kubalulekile, leso sitayela sidlula ishidi lesitayela somlobi wekhasi lewebhu, noma ngabe umbhali ubonisa umthetho njengoba! Kubalulekile.
Lokhu kuyasiza kubasebenzisi abadinga ukusetha izitayela ngendlela ethile. Isibonelo, othile angadinga ukwandisa usayizi wefonti ozenzakalelayo kuwo wonke amakhasi ewebhu abasebenzisa. Ngokusebenzisa i-directive yakho ebalulekile emakhasini owakhayo, uthola noma yiziphi izidingo ezikhethekile abasebenzisi bakho abangaba nazo.
Ihlelwe nguJeremy Girard