how to toggle javascript in html code example

Example 1: 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!

Example 2: toggle class in javascript

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