Vim li cas tag nrho cov tsev kawm ntawv ua nrog rau kev coj ua ke ntawm tus qauv, tus qauv, thiab tus cwj pwm
Ib qho piv txwv uas yog siv los piav txog lub hauv ntej ntawm qhov kev tsim tawm ntawm lub website yog tias nws zoo li 3-legged cov quav. Cov ceg no 3, uas yog hu ua 3 txheej txheem ntawm kev tsim web, yog Cov Qauv, Cov Qauv, thiab Tus Cwj Pwm.
Peb Cov Layers ntawm Web Development
- Tus qauv lossis txheej txheem txheej txheem
- Cov qauv los yog cov txheej txheem txheej ntawm cov nplooj ntawv web yog qhov pib HTML code ntawm nplooj ntawv ntawd. Zoo li lub tsev cov kab ke tsim muaj lub hauv paus ruaj khov uas lub tsev sib txuas ua ke, yog li lub hauv paus ruaj khov ntawm HTML tsim ib lub platform uas tsim muaj ib lub vev xaib. HTML qauv ua tau los ntawm cov ntawv nyeem lossis cov duab thiab nws muaj cov hyperlinks uas cov neeg tuaj xyuas yuav siv los mus ncig ntawm qhov chaw web site.
- Tus qauv lossis kev nthuav qhia txheej txheem
- Cov style lossis kev nthuav qhia txheej dictates li cas HTML daim ntawv teev lus yuav saib rau ib qhov chaw cov qhua. Cov txheej txheem no yog txhais los ntawm CSS (Tshaj Xo Ntawv Cascading). Cov ntaub ntawv no muaj cov yeeb yam uas qhia tias daim ntawv yuav tsum tau sau li cas hauv lub web browser. Nyob rau hnub no lub Vev Xaib, cov txheej txheem style kuj muaj xws li Media Queries uas tuaj yeem hloov qhov chaw saib raws li kev ntsuas ntau thiab ntau yam .
- Cwj pwm
- Tus cwj pwm txheej txheem yog txheej txheej ntawm nplooj ntawv Web uas tuaj yeem teb rau cov neeg siv ua haujlwm sib txawv los yog hloov cov nplooj ntawv raws li txheej txheem. Rau feem ntau ntawm cov nplooj ntawv Web site, tus cwj pwm yuav yog qhov kev sib tshuam JavaScript hauv nplooj ntawv.
Vim li cas koj thiaj yuav tsum cais cov khaubncaws sab nraud?
Thaum koj tab tom tsim ib qhov web page, nws yog ntshaw kom cov khaubncaws sab nraud povtseg kom zoo li qub. Tus qauv tsim nyog yuav tsum tau muab koj cov HTML, qhov muag pom rau CSS, thiab kev coj cwj pwm rau txhua tus ntawv sau uas lub site siv.
Qee cov txiaj ntsig ntawm kev cais cov txheej yog:
- Sib koom siv
- Thaum koj sau ib daim ntawv sab nraud CSS lossis JavaScript, koj tuaj yeem siv cov ntaub ntawv ntawd los ntawm txhua nplooj ntawv hauv koj lub vev xaib. Yog tias koj xav tau hloov rau cov ntaub ntawv ntawd, tej zaum yuav hloov kho qee qhov yeeb yaj duab nyob hauv lub vev xaib, txhua nplooj uas siv cov ntawv xov xwm no yuav tau hloov. Yuav tsis muaj hloov kho txhua phab ntawm lub website ib tus zus, uas rau qhov chaw loj dua tuaj yeem yog ib qho teeb meem grueling.
- Mus ceev xwm ceev
- Thaum cov ntawv sau los yog cov cim thaub qab tau muab luam tawm los ntawm koj tus qhua thawj zaug, nws yog cached los ntawm lawv qhov web browser. Vim tias cov kev siv sib koom siv tam sim no muaj nyob rau hauv cache, lwm cov nplooj ntawv uas tau thov hauv qhov browser nce sai dua, uas ua rau tag nrho cov nplooj ceev thiab kev ua haujlwm.
- Pab pawg neeg ntau
- Yog tias koj muaj ntau tshaj ib tug neeg ua haujlwm hauv lub vev xaib ib zaug, koj tuaj yeem siv lub tshuab uas "kos rau" thiab "kos tawm" ntawm cov ntaub ntawv kom paub tseeb tias txhua tus neeg hauv pab pawg ua haujlwm nrog cov tshiab versions ntawm cov ntaub ntawv no. Qhov no nyuab dua tuaj yeem ua tau yog tias muaj tus cwj pwm thiab cov cwj pwm coj los ua ke nrog cov qauv ntaub ntawv.
- SEO
- Ib qhov chaw uas muaj kev sib cais ntawm cov qauv thiab kev ua haujlwm yog yuav ua tau zoo dua rau kev tshawb fawb xyaw vim hais tias cov chaw no yuav nkag tau zoo dua cov ntsiab lus thiab nkag siab txog cov nplooj ntawv tsis tau muab cov ntaub ntawv coj los ua yeeb yam.
- Kev Nkag Mus
- Cov ntawv twv ntawv sab nraud thiab cov ntaub ntawv cov ntawv sau tau yooj yim dua rau cov neeg thiab cov browsers. Vim tias muaj kev sib cais ntawm cov qauv thiab cov qauv, software xws li cov nyeem nyeem tau yooj yim dua cov txheej txheem ntawm cov txheej txheej tsis tau bogged cia los ntawm cov yeej uas lawv siv tsis tau lawm.
- Rov qab sib tw
- Thaum koj muaj ib qhov chaw uas tsim los ntawm cov txheej txheem kev loj hlob, nws yuav rov qab tau tshaj vim tias browsers los yog ntaus ntawv uas siv tsis tau CSS hom twg lossis tej zaum yuav muaj JavaScript tsis muaj peev xwm tseem saib cov HTML. Koj lub vev xaib tom qab ntawd yuav tsum tau kho kom zoo nrog cov nta rau cov browsers uas txhawb nqa lawv.
HTML - tus qauv txheej txheem
Cov txheej txheem txheej yog qhov chaw koj khaws cov ntsiab lus uas koj cov neeg tuaj xav xav nyeem lossis saib. Qhov no yuav tsum tau lo hauv cov qauv HTML5 thiab nws muaj xws li cov ntawv nyeem thiab cov duab thiab cov multimedia (video, suab, thiab lwm yam). Nws tseem ceeb heev kom paub tseeb tias txhua yam ntawm koj qhov chaw cov ntsiab lus yog sawv cev hauv cov txheej txheej. Qhov no pub rau txhua tus neeg uas muaj JavaScript muab tua los yog leej twg tsis tuaj yeem saib CSS tseem muaj kev nkag tau mus rau tag nrho lub vev xaib, yog tias tsis yog txhua qhov functionality ntawm qhov chaw ntawd.
CSS - Tus Txheej Txheem
Koj yuav tsim txhua yam ntawm koj lub vev xaib rau koj lub vev xaib hauv ib daim ntawv qhia sab nraud. Koj tuaj yeem siv ntau hom kab kos, tab sis nco ntsoov tias txhua daim ntawv CSS cais yuav tsum thov HTTP thov kom nqa, cuam tshuam ntawm kev ua haujlwm ntawm qhov chaw.
JavaScript - tus cwj pwm coj
JavaScript yog hom lus uas siv rau feem cwj pwm, tab sis raws li kuv tau hais ua ntej, CGI thiab PHP tuaj yeem tsim qhov Web page kev cwj pwm. Uas tau hais tias, thaum feem ntau cov neeg tsim khoom xa mus rau tus cwj pwm txheej, lawv txhais tau hais tias txheej uas tau qhib ncaj qha hauv Web browser - yog li ntawd, JavaScript yog cov lus xaiv. Koj siv cov txheej txheem no sib txuas lus ncaj qha nrog DOM los sis Daim Ntawv Teev Tseg Tus Qauv. Sau cov ntawv HTML hauv cov txheej txheem txheej txheem kuj tseem ceeb rau DOM kev sib cuam tshuam hauv cov cwj pwm.
Thaum koj ua nyob rau hauv tus cwj pwm, koj yuav tsum siv lwm tsab ntawv cov ntaub ntawv zoo li CSS. Koj tau txais txhua qhov zoo tib yam ntawm kev siv ib daim ntawv qhia sab nraud.