JZTXT

js dom className classList

发布时间 2023-04-05 12:15:13作者: sqmw

classList

dom.classList.contains('black')
 
// 删除 black
dom.classList.remove('black')
 
// 新增.red
dom.classList.add('red')

className

let cName = elementNodeReference.className;

elementNodeReference.className = cName;

详情见官网 https://developer.mozilla.org/