Njia contains ya kitu classList
Njia contains ya kitu classList
inakagua uwepo wa darasa la CSS la kipengele.
Syntaxi
kipengele.classList.contains(darasa);
Mfano
Tukague, kama kipengele kina darasa ggg:
<p id="elem" class="www ggg zzz"></p>
let elem = document.querySelector('#elem');
let contains = elem.classList.contains('ggg');
console.log(contains);
Matokeo ya utekelezaji wa kodi:
true
Angalia pia
-
njia
classList.add,
ambayo huongeza darasa lililopewa -
njia
classList.remove,
ambayo huondoa darasa lililopewa -
njia
classList.toggle,
ambayo hubadilisha-badilisha darasa lililopewa
