📜  类名切换 js - Javascript 代码示例

📅  最后修改于: 2022-03-11 15:03:08.935000             🧑  作者: Mango

代码示例2
document.getElementById('myButton').onclick = function() {

    var className = ' ' + myButton.className + ' ';

    if ( ~className.indexOf(' active ') ) {
        this.className = className.replace(' active ', ' ');
    } else {
        this.className += ' active';
    }              
}