Isonjululwe: uluhlu lwedatha html

Eyona ngxaki iphambili inxulumene neHTML into yokuba ayixhaswanga ngabo bonke abakhangeli beencwadi. Okwangoku, kuphela iChrome, iFirefox, kunye neEdge ezixhasayo isiqalelo. Ukongeza, ezinye iibrowser eziphathwayo aziyixhasi into. Oku kuthetha ukuba abasebenzisi kwiibhrawuza ezingaxhaswanga abayi kukwazi ukusebenzisa usebenzo loluhlu lwedatha.

<datalist id="browsers">
  <option value="Chrome">
  <option value="Firefox">
  <option value="Internet Explorer">
  <option value="Opera">
  <option value="Safari">
</datalist>

1. Le khowudi idala i-HTML element ebizwa ngokuba yi-datalist, esetyenziselwa ukwenza uluhlu lwezinto ezikhethiweyo kwintsimi yokufakwayo.
2. Uluhlu lwedatha lunegama lesazisi “lweebhrawuza”.
3. Ngaphakathi koluhlu lwedatha, kukho izinto ezintlanu zokukhetha, nganye ineempawu zexabiso eliqulethe igama lesiphequluli sewebhu (Chrome, Firefox, Internet Explorer, Opera kunye neSafari).
4. La maxabiso aya kusetyenziswa njengeengcebiso xa umsebenzisi echwetheza kwindawo yokufaka ehambelana nolu luhlu lwedatha.

Yintoni ithegi yoluhlu lwedatha

I-HTML ithegi isetyenziselwa ukubonelela ngo "gqibezela ngokuzenzekela" uphawu izinto. Ibonelela ngoluhlu lweenketho ezichazwe kwangaphambili zokucebisa kumsebenzisi njengoko bechwetheza. Uluhlu lwedatha lusetyenziselwa ukubonelela ngenqaku elithi "ukugqiba ngokuzenzekelayo" kwi izinto. Ibonelela ngoluhlu lweenketho ezichazwe kwangaphambili zokucebisa kumsebenzisi njengoko bechwetheza. Xa isetyenziswa, ixela uluhlu lweenketho ezichazwe kwangaphambili ze isiqalelo. Umkhangeli zincwadi ubonisa kuphela ezo zikhetho ezifanelekileyo kwinto echwetheziwe ngumsebenzisi ukuza kuthi ga ngoku kwindawo yokufaka.

Yintoni umahluko phakathi koluhlu lwedatha kunye nokwehla

Uluhlu lweDatha luphawu lweHTML olubonelela ngoluhlu lweendlela ezikhethwa ngumsebenzisi. Iyafana nemenyu eyehlayo, kodwa umahluko ophambili kukuba ivumela abasebenzisi ukuba bangenise amaxabiso abo. Umsebenzisi unokuchwetheza kwintsimi yokufaka kwaye uluhlu lwedatha luya kunika iingcebiso ngokusekelwe kwinto abayibhalayo. Imenyu eyehlayo, kwelinye icala, ivumela kuphela abasebenzisi ukuba bakhethe kwiinketho ezichazwe kwangaphambili. Ukongezelela, ngoluhlu lwedatha, abasebenzisi banokuchwetheza kulo naliphi na ixabiso abalifunayo nokuba alidweliswanga njengenketho.

Indlela yokusebenzisa uluhlu lwedatha kwifom ye-HTML

I-HTML isiqalelo sisetyenziselwa ukubonelela "ukugqibezela ngokuzenzekela" uphawu kwi izinto. Isetyenziselwa ukubonelela ngoluhlu lweenketho ezichazwe kwangaphambili kumsebenzisi njengoko befaka idatha.

Ukusebenzisa i-datalist element, kufuneka uqale wenze ifom ye-HTML nge element kwaye uyinike uphawu lwesazisi. Emva koko, unokongeza into yoluhlu lwedatha ngaphakathi kwifom kwaye usete uphawu lwayo loluhlu olulingana ne-id yendawo yokufaka. Ngaphakathi kuluhlu lwedatha, unokongeza enye okanye ngaphezulu

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