Phunzirani za Dynamic HTML (DHTML)

HTML yokha siyiyi yatsopano ya HTML, koma ndiyo njira yatsopano yowang'anitsitsa ndikuyendetsa zowonjezera ma code HTML ndi malamulo.

Pamene mukuganiza za HTML yodalirika , muyenera kukumbukira makhalidwe a HTML, makamaka kuti kamodzi tsamba likutengedwa kuchokera ku seva, silidzasintha mpaka pempho lina likubwera kwa seva. HTML Yamphamvu imakupatsani ulamuliro wambiri pazomwe zili HTML ndikuwathandiza kusintha nthawi iliyonse, popanda kubwerera ku webusaiti.

Pali mbali zinayi ku DHTML:

DOM

DOM ndiyo yomwe imakulolani kuti mulowetse gawo lililonse la webusaiti yanu kuti muzisinthe ndi DHTML. Gawo lirilonse la tsamba la webusaiti likufotokozedwa ndi DOM ndikugwiritsanso ntchito mayina omwe mumatha kuwapeza ndikusintha katundu wawo.

Makalata

Malemba olembedwa mu JavaScript kapena ActiveX ndi awiri omwe amapezeka m'zinenero zomwe zimagwiritsidwa ntchito popangitsa DHTML. Mumagwiritsa ntchito chinenero kuti muletse zinthu zomwe zafotokozedwa mu DOM.

Mapepala Amtundu Wosasaka

CSS imagwiritsidwa ntchito mu DHTML kuti muwone kuyang'ana ndi kumverera kwa tsamba la webusaiti. Masamba a mawonekedwe amasonyeza mitundu ndi malemba a malemba, mitundu ya zithunzi ndi zithunzi, ndi kusungidwa kwa zinthu pa tsamba. Pogwiritsira ntchito scripting ndi DOM, mukhoza kusintha kalembedwe ka zinthu zosiyanasiyana.

XHTML

XHTML kapena HTML 4.x imagwiritsidwa ntchito popanga tsamba palokha ndikupanga zinthu za CSS ndi DOM kuti zigwire ntchito. Palibe chinthu chapadera chokhudza XHTML ya DHTML - koma kukhala ndi XHTML yowonjezera ndi yofunikira kwambiri, popeza pali zinthu zambiri zomwe zimagwira ntchito kuchoka pa izo kuposa osatsegula.

Zida za DHTML

Pali zigawo zinayi zofunika za DHTML:

  1. Kusintha malemba ndi katundu
  2. Kuyika nthawi yeniyeni
  3. Maofesi amphamvu (Netscape Communicator)
  4. Dongosolo lomangirira (Internet Explorer)

Kusintha ma Tags ndi Properties

Ichi ndi chimodzi mwa ntchito zofala kwambiri za DHTML. Ikuthandizani kusintha makhalidwe a HTML malingana ndi chochitika kunja kwa osatsegula (monga phokoso la mimba, nthawi, kapena tsiku, ndi zina zotero). Mungagwiritse ntchito izi kuti muzitsatira zowonjezera pa tsamba, ndipo musawonetsetse pokhapokha owerenga akuwongolera pachinsinsi china.

Kusankha nthawi yeniyeni

Pamene anthu ambiri amaganiza za DHTML izi ndi zomwe akuyembekeza. Zinthu, zithunzi, ndi malemba akuyendayenda pa tsamba la Webusaiti. Izi zikhoza kukulolani kusewera masewera ophatikizana ndi owerenga anu kapena kusindikiza magawo a skrini yanu.

Mphamvu Zamphamvu

Ichi ndi Netscape chokha. Netscape idapanga izi kuti ziyende poyambitsa olemba malingaliro anali ndi kusadziwa kuti malemba angakhale otani pa dongosolo la owerenga. Ndi maofesi olimbikitsa, malembawo amalembedwa ndi kusungidwa ndi tsamba, kotero kuti tsamba nthawi zonse liwone momwe wopangidwirayo anafunira.

Kusungidwa kwa Deta

Ichi ndi IE chokha. Microsoft inayambitsa izi kuti zitheke mosavuta kupeza mauthenga a pawebusaiti . Zili zofanana ndi kugwiritsa ntchito CGI kupeza ma database koma amagwiritsa ntchito mphamvu ya ActiveX kuti igwire ntchito. Mbali imeneyi ilipamwamba kwambiri ndipo ndi yovuta kuiyambitsa wolemba DHTML.