JAVASCRIPT

toggle class in javascript

$('.click-class').click(function() {
    $('.class-toggle').toggle();
    $('.class-toggle').toggleClass('add-class');
})

toggle css class in javascript

/* var or const followed by its name */.getElementById(/* HTML element ID */);
/* var or const's name */.classList.toggle(/* Name of CSS class */);
// I hope this helps! 

js toggle class

   element.classList.toggle('class');

toggle class javascript

var menu = document.querySelector('.menu') // Using a class instead, see note below.
menu.classList.toggle('hidden-phone');