Ingxaki ephambili enxulumene ne-HTML yothabatha uphawu kukuba inokutolikwa ngokwahlukileyo ngokuxhomekeke kumxholo. Kwezinye iimeko, inokutolikwa njengekhonkco okanye i-dash, ngelixa kwezinye iimeko inokutolikwa njengomsebenzi wokuthabatha. Oku kunokukhokelela ekubhidekeni nakwiziphumo ezingachanekanga ukuba azisetyenziswanga ngokuchanekileyo. Ukongeza, ezinye iibhrawuza zinokunganikezeli ngokufanelekileyo uphawu lokuthabatha, nto leyo ekhokelela kukuziphatha okungalindelekanga.
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1. yeka x = 5;
– Lo mgca wekhowudi uchaza umahluko obizwa ngokuba ngu-'x' kwaye unike ixabiso lesi-5.
2. vumela y = 3;
– Lo mgca wekhowudi ubhengeza ukuguquguquka okubizwa ngokuba yi-'y' kwaye unike ixabiso le-3.
3. yeka z = x + y;
– Lo mgca wekhowudi ubhengeza into eguquguqukayo ebizwa ngokuba yi 'z' kwaye inika ixabiso lesixa sika-x kunye no-y (kule meko, 8).
I-Unicode ye-UTF-8
I-Unicode UTF-8 lubhalo lombhalo olusetyenziswa ukumela okubhaliweyo kumaxwebhu eHTML. Ixhasa uluhlu olubanzi lwabalinganiswa, kuquka zonke iilwimi eziphambili zehlabathi. Yeyona khowudi yamagama isetyenziswa kakhulu kwiwebhu kwaye ixhaswa zizo zonke iibhrawuza zewebhu zangoku. I-Unicode ye-UTF-8 ivumela ukugcinwa ngokufanelekileyo kunye nokuhanjiswa kwedatha yokubhaliweyo, okwenza kube yinto efanelekileyo kwiiwebhusayithi zamazwe ngamazwe kunye nezicelo. Kwi-HTML, i-Unicode ye-UTF-8 inokuchazwa kusetyenziswa i ithegi ene-charset=”utf-8″ uphawu. Oku kuqinisekisa ukuba bonke abasebenzi baboniswa ngokuchanekileyo ngaphandle kolwimi okanye iqonga.
Yintoni uphawu lukaMinus
Uphawu lothabatha (-) luphawu olukhethekileyo kwi HTML olusetyenziswa ukwenza umgca othe tye. Idla ngokusetyenziswa ukwahlula amacandelo esicatshulwa, njengakuluhlu okanye imihlathi. Uphawu lokuthabatha lunokusetyenziselwa ukwenza umthetho othe tye, ongumgca owahlula amacandelo ahlukeneyo omxholo kwiphepha lewebhu.
Ulongeza njani uthabatha uphawu kwiHTML
Ukongeza uthabatha uphawu kwi HTML, ungasebenzisa ikhowudi yesiko leHTML kuphawu lothabatha, ongu −. Ungasebenzisa kwakhona ireferensi yoonobumba beHTML −. Ukubonisa uphawu lothabatha kwiphepha lewebhu, uya kusebenzisa le khowudi ilandelayo:
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