Isonjululwe: owehlayo kwi-html

Ingxaki ephambili enxulumene nokwehla kwe-HTML kukuba kunokuba nzima ukuzenza zifikeleleke kubantu abakhubazekileyo. Ukwehla kudla ngokufakwa ikhowudi kusetyenziswa iJavaScript, enokuba nzima kubafundi besikrini kunye nobunye ubugcisa bokuncedisa ukutolika. Ukongeza, ukuba i-dropdown ayibhalwanga ngokufanelekileyo okanye ichazwe, abasebenzisi banokungaqondi ukuba ukwehla kusetyenziselwa ntoni okanye ukusebenzisana nayo.

<select>
  <option value="volvo">Volvo</option>
  <option value="saab">Saab</option>
  <option value="mercedes">Mercedes</option>
  <option value="audi">Audi</option>
</select>

1. -Lo mgca wekhowudi wenza imenyu eyehlayo. 2.Volvo-Lo mgca wekhowudi wenza ukhetho kwimenyu eyehlayo enexabiso elithi "volvo". 3.Saab-Lo mgca wekhowudi wenza ukhetho kwimenyu eyehlayo enexabiso elithi "saab". 4.Mercedes-Lo mgca wekhowudi wenza ukhetho kwimenyu eyehlayo enexabiso elithi "mercedes". 5.audi– Lo mgca wekhowudi udala inketho kwimenyu eyehlayo enexabiso elithi "audi". 6. -Lo mgca wekhowudi uvala imenyu eyehlayo kwaye ibonisa ukuba zonke iinketho zongezwe kuyo.

Yintoni uluhlu oluhlayo

Uluhlu oluhlayo kwi-HTML luhlobo lwento yokufaka evumela umsebenzisi ukuba akhethe ukhetho olunye kuluhlu lweenketho ezichazwe kwangaphambili. Uluhlu luvela xa umsebenzisi ecofa utolo oluhlayo ecaleni kwendawo yokufaka. Ukhetho olukhethiweyo luboniswa kwindawo yongeniso. Uluhlu oluhlayo lusoloko lusetyenziswa xa kukho iinketho ezininzi ekufuneka unyulwe kuzo, njengokukhetha ilizwe okanye ilizwe kuluhlu.

Uyenza njani iMenu eyehlayo

Ukudala imenyu eyehlayo kwi-HTML kulula. Nanga amanyathelo okudala enye:

1. Qala ngokwenza a element, ezakuqulatha zonke iinketho kwi menu yakho eyehlayo. 2. Ngaphakathi kwi isiqalelo, yongeza i into yomba ngamnye kwimenyu yakho. Qinisekisa ukubandakanya uphawu lwexabiso ngokhetho ngalunye, njengoko oku kuya kusetyenziswa ukumisela ukuba yeyiphi inketho ekhethiweyo xa ifomu ingenisiwe.

3. Ukwenza enye yeenketho ezikhethiweyo ngokungagqibekanga, yongeza uphawu loyelelwano olukhethiweyo kwithegi yokhetho. Oku kuya kuqinisekisa ukuba ibonakala ikhethiwe xa iphepha lilayisha.

4. Okokugqibela, yongeza ileyibhile yemenyu eyehlayo usebenzisa i ithegi enophawu olunxulumeneyo "lwe" esalatha kwixabiso lesazisi lesiqalelo sakho esikhethiweyo (oku kufuneka kuhambelane noko ukusetayo kwinyathelo loku-1).