HTML cim npe: coding, programming, kev tsim qauv

Lub ntsiab lub cuab tam rau tsim web pages ntawm tej theem ntawm complexity yog ib tug hypertext markup lus, los yog Hypertext Markup Language (HTML). Tag nrho cov tsim lus hu ua «HTML cim npe" uas txhais tau cov zaub hauv cov ntawv nyeem nyob rau hauv cov nplooj ntawv thiab qhov layout ntawm tag nrho cov nplooj ntawv html.

Vim li cas siv HTML cim npe? Qhov tseeb yog tias tej ntaub ntawv uas yog muaj nyob rau ntawm koj lub computer, teem nyob rau hauv ib qho kev pab cuam, thiab qhib qhov loj feem ntau ntawm cov mob, nws yog tsim nyog tias qhov kev pab cuam nyob rau hauv uas nws tau tsim, los sis zoo sib xws.

Nrog lub advent ntawm lub Internet muaj ib lo lus nug nyob rau hauv qhov tseeb hloov lwm lub tsev ntawm cov ntaub ntawv ntawm cov neeg siv ntawm computers, txhua tus uas yuav muaj nyob rau hauv koj lub computer ib tug cim txheej ntawm ntsia cov kev pab cuam. Ntxiv mus, lub platforms lawv tus kheej tej zaum yuav txawv - tsis yog txhua txhua computers kev cob cog rua rau lub network yog khiav lub qhov rais. Yog li, lub network nqi ntawv tej zaum yuav zoo tsis tau muaj rau ib tug kev siv.

Nyob rau hauv kev txiav txim hais tias tej ntaub ntawv tau raug lees paub tias nyob rau hauv tej computer, tsis hais ntawm platform thiab pob ntawm ntsia cov kev pab cuam, thiab tau tsim hypertext markup lus HTML. Nyob rau hauv lub cev ntawm cov ntaub ntawv nkag tau tshwj xeeb designs, uas yog hu ua cov HTML cim npe, thiab tag nrho cov ntaub ntawv uas yog cia nyob rau hauv lub tiaj ntawv nyeem hom ntawv, uas yog muaj rau tag nrho computers.

HTML yog tsis yog ib tug programming lus nyob rau hauv cov pa kev txiav txim zoo. HTML cim npe tsuas qhia ib tug tshwj xeeb kev pab cuam, cov browser yuav ua li cas tso saib ntawv nyeem nyob rau sab. Qhov browser txhais lub markup lus constructs thiab muab lub thov page.

Hypertext markup lus muaj xws li ib tug ntau yam ntawm cov cim npe teej tug mus rau txawv pab pawg. Ib tug ntawm cov biggest pawg HTML cim npe hom ntawv nyeem. Lawv muaj tag nrho cov ntaub ntawv hais txog yuav ua li cas cov ntawv nyeem yuav tsum zoo li: nws kawm tuab si lug, loj, me, font thiab style ntawm kev sau ntawv, indents, teev, thiab kuj muaj ntau yam lwm yam khoom. Phau ntawv formatting yog teev cwj pwm thiab cim npe nkag mus rau hauv lub tag. Txawm li cas los, nws yuav tsum tau borne nyob rau hauv lub siab hais tias niaj hnub siv tshuab tsim web pages imposition ntawm tag nrho cov ntawv nyeem formatting thiab displaying cov nplooj ntawv raws li ib tug tag nrho nyob rau hauv ib tug nyias muaj nyias ib cov ntaub ntawv kev lam style daim ntawv muab lub tib yam, uas tej zaum yuav muaj HTML cim npe hom ntawv nyeem, yog tam sim no tsis tshua muaj siv.

Yog vim li cas rau qhov no tshwm sim yog hais tias kev siv ntawm web tsim cascade style los xij (SCC) nyob rau hauv cov creation ntawm websites yog heev yooj yim. Suffice nws los ua tim nyob rau hauv lub CSS-cov ntaub ntawv tag nrho sau npe thiab txuas mus rau tag nrho cov nplooj ntawv ntawm koj qhov chaw (los yog ib txhia). Cov nplooj ntawv no yuav yeej ib txwm saib lub qub. Yog hais tias tsim nyog, hloov nyob rau hauv lub tsim ntawm tej ntsiab ntawm cov nplooj ntawv (lub thib ob-theem title, piv txwv li) yog txaus hloov tsuas yog ib qho nkag nyob rau hauv lub CSS cov ntaub ntawv. Hloov tag nrho ob-theem cov hau lus (h2) rau tag nrho cov nplooj ntawv kev cob cog rua rau lub CSS. Nyob rau hauv kev, los mus ua kom cov nuj nqis ntsuab txaus nyob rau hauv lub CSS cov ntaub ntawv mus sau npe tsuas yog ib kab:

h2 {font-xim: ntsuab}

Thiab qhov no yog yuav ua li cas lub pawg lus yuav tau txhais, right-raws li, rau ib tug liab tom qab, xiav ntawv nyeem:

p {tom qab-xim: liab; xim: xiav; ntawv nyeem-kawm tuab si lug: txoj cai}

Tag nrho cov HTML cim npe huab muaj ntau lug, tab sis lawv txoj kev tshawb no raws li txoj kev kawm cov yam ntxwv ntawm lawv cov kev siv yog kiag li tsim nyog rau ib tug web designer, thiab tshwj xeeb tshaj yog rau cov coder, uas tsis yog lawv xav tsis tau kos tus cim rau li cov nplooj ntawv.

Nyob rau hauv tas li ntawd koj yuav tsum nco ntsoov kom nyob rau hauv lub siab hais tias nyob rau hauv xyoo tsis ntev los muaj ib tug meej kev faib mus rau hauv "chaw", uas yav tas los tsis muaj raws li muaj yog tsis muaj cais hav zoov thiab cov layout, tsim thiab programming ntawm lub web pages.

Thaum tsim tau ib tug loj technology siv qhov chaw yog sib txawv dog dig los ntawm tsoos cov kev pab cuam uas yog ib feem ntawm ib lub pob ntawm chaw ua hauj lwm cov ntaub ntawv. Txawm mus tsim ib tug yooj yim web page siv html cim npe.