Xa i-jQuery iseti yophawu loyelelwano lusetelwe “kukufunda kuphela”, ixabiso lophawu loyelelwano alinakutshintshwa. Oku kunokuba luncedo xa ufuna ukuthintela abasebenzisi ekutshintsheni ixabiso lophawu, okanye xa ufuna ukuqinisekisa ukuba ixabiso lophawu loyelelwano lihlala lifana.
$("#input").attr("readonly", "readonly");
Lo mgca wekhowudi usebenzisa indlela ye-jQuery attr () ukuseta uphawu lwesifundo kuphela sesici kunye ne-id ye "input" ukuya "readonly". Oku kuya kwenza into ifundeke kuphela ukuze abasebenzisi bangakwazi ukuyihlela.
Elements
Kukho izinto ezimbalwa ezingundoqo kwi-jQuery ekuya kufuneka uqhelane nazo ukuze usebenzise ithala leencwadi ngokufanelekileyo. Ezi ziquka:
jQuery () – Lo msebenzi usetyenziselwa ukuqalisa ithala leencwadi kunye nokwenza into entsha yejQuery.
– Lo msebenzi usetyenziselwa ukuqalisa ithala leencwadi kunye nokudala into entsha yejQuery. $(umkhethi) - Oku kusetyenziselwa ukukhetha izinto kuxwebhu lwakho.
– Oku kusetyenziselwa ukukhetha izinto kuxwebhu lwakho. $(oku) - Oku kubhekisa kwinto yangoku kuxwebhu lwakho.
iifomu
Kukho iintlobo ezimbalwa ezahlukeneyo zeefom onokuzisebenzisa kwi-jQuery.
Olona hlobo lulula lwefom yindawo yokubhaliweyo. Ukwenza indawo yokubhaliweyo, usebenzisa ngokulula i-$("igalelo") into.
Ukwenza ibhokisi yokukhangela, usebenzisa i-$(“input[type='checkbox']”) into.
Ukwenza iqhosha lerediyo, usebenzisa i-$(“input[type='radio']”) into.
Ukwenza igalelo lefayile, usebenzisa i-$(“input[type='file']”) into.
