Ingxaki engundoqo ngokhetho olungakhethiyo kukuba lunokubangela iingxaki xa uzama ukusebenzisa i-jQuery ukukhetha imiba. Ukuba unemiba emininzi yokukhetha, ukusebenzisa ukhetho olungakhethiyo lunokubangela ukuba ukhetho lube lungasebenzi.
$("#myselect option").prop("selected", false);
Lo mgca wekhowudi usebenzisa i-jQuery ukukhetha into ene-id "myselect" kwaye ke zonke izinto zayo zokukhetha umntwana. Kwinto nganye kwezo zikhethwa, ikhowudi imisela ipropathi "ekhethiweyo" kububuxoki.
iifomu
Kukho iintlobo ezimbalwa ezahlukeneyo zeefom onokuzisebenzisa kwi-jQuery.
Olona hlobo lulula lwefom yindawo yokubhaliweyo. Ukwenza indawo yokubhaliweyo, wongeza ngokulula le khowudi ilandelayo kuxwebhu lwakho:
Ungasebenzisa ke i getText () indlela yokufumana ixabiso lomhlaba wokubhaliweyo.
Unokwenza ifom ye-textarea ngokongeza le khowudi ilandelayo kuxwebhu lwakho:
Emva koko, sebenzisa i getText() kunye ne setText() iindlela zokulawula imixholo yendawo yokubhaliweyo.
Sebenza ngeefom
Kukho iindlela ezimbalwa zokusebenza ngeefom kwijQuery. Enye indlela kukusebenzisa i $.getJSON() umsebenzi wokufumana idatha kwifomu. Emva koko ungasebenzisa idatha ukukhupha izinto kwiphepha.
Enye indlela kukusebenzisa i $.ajax() umsebenzi ukuthumela idatha ukusuka kwifom ukuya kumncedisi. Umncedisi unokuqhubekekisa idatha kwaye ayibuyisele kwiphepha.
Iingcebiso zeefom kwijQuery
UI
Kukho iingcebiso ezimbalwa zokusebenza ngeefom kwi-jQuery UI. Okokuqala, ungasebenzisa izinto zefom njengezinto zeDOM. Oku kuthetha ukuba unokuzikhohlisa njengayo nayiphi na enye into kuxwebhu lwakho. Okwesibini, ungasebenzisa idatha yefom ukuze uzalise ezinye izinto kwiphepha. Ekugqibeleni, ungasebenzisa isiganeko sokungeniswa kwefom ukulandelela igalelo lomsebenzisi kwaye uphendule ngokufanelekileyo.
