Cc Cn Bn V HTML

VB.Net

Phn 1: Cn B n V HTML

Cn bn v HTML

HTML (HyperText Markup Language) : y l mt ngn ng n gin c s dng trong cc ti liu siu vn bn. ng chong. N cng ch l cc ti liu vn bn bnh thng nhng c cha cc thnh phn c bit gi l cc th (hoc cc cp th) nh du. Da theo cc cp th ny m trnh duyt c th bit c n phi thc hin ci g. Bn cht ca HTML khng phi l mt ngn ng lp trnh nn cc bn cng chng cn lo lng n nhng thut ton lng nhng. N ch l mt "ngn ng" nh du vn bn thi. V d: Hy ly mt v d n gin nh sau: Xin cho, ti l LGVT Dng ch Xin cho, ti l LGVT c t trong cp ch "" v "" Cp ch ny chnh l k hiu ca mt cp th trong ngn ng HTML, m khi bin dch ra, trnh duyt s hiu l: Khi gp th "", n phi c trch nhim in tt c cc ch sau thnh ch m cho n khi gp th "". Cc th trong HTML nh l cc t kho trong Pascal vy. Bn thn HTML ch c khong hn 20 th thng dng . Trong HTML, cc th c th tn ti n l, hoc tn ti di dng mt cp th. Nu tn ti di dng 1 cp th th bt u gi l th m v th kt thc gi l th ng. Cc bn c th hnh dung th m nh t kho Begin v th ng nh t kho End trong khi cu lnh ca Pascal vy.

Sinh Vin Thc Hin : Nguyn Vn Tun 1

Cc Cn Bn V HTML

VB.Net

VD: Th l 1 th n (khng c th ng), c nhim v thng bo cho trnh duyt hin th mt hnh nh no . Cp th l 1 cp th, bt u bng th v kt thc bng th . Cp th ny quy nh font ch, mu ch, kch c ch ca on vn bn nm gia. son tho mt file HTML, c th s dng bt k trnh son tho no, chng hn nh NotePad hay thm ch Turbo Pascal cng c. min l sau cc bn Save As di dng ui *.htm. Cn m file ny th c vic kch p chut vo , trnh duyt s t ng m ra cho bn. Tt nhin cng c nhiu chng trnh son tho cho php sinh t ng m HTML, nhng cho cc bn nm vng ngn ng ny, ti yu cu cc bn phi t son bng tay trn NotePad. Cc v d di y mang tnh cht tham kho, c th copy v lu chng di dng file .htm. + ,Cu trc ca 1 th trong HTML bao gm: - Du "