js toggle between 4 classes html code example
Example 1: toggle class javascript
var menu = document.querySelector('.menu') // Using a class instead, see note below.
menu.classList.toggle('hidden-phone');
Example 2: classname toggle js
document.getElementById('myButton').onclick = function() {
var className = ' ' + myButton.className + ' ';
if ( ~className.indexOf(' active ') ) {
this.className = className.replace(' active ', ' ');
} else {
this.className += ' active';
}
}