js on toggle class 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: how to change class by is in js by toggle

<button class="" id="changeicon">
	<i id="slideshow" class="fas fa-hamburger"></i>
</button>

$("#changeicon").click(function() {
			$("#slideshow").toggleClass("fa-times");
		});