classList obyektining contains metodi

classList obyektining contains metodi elementning CSS klass mavjudligini tekshiradi.

Sintaksis

javascriptelement.classList.contains(klass);

Misol

Elementda ggg klass bormi yoki yo'qligini tekshiramiz:

html<p id="elem" class="www ggg zzz"></p>

javascriptlet elem = document.querySelector('#elem');

let contains = elem.classList.contains('ggg');
console.log(contains);

Kodni bajarish natijasi:

javascripttrue

Shuningdek qarang