<div class="toggle" onclick="toggleMenu()"></div> code example

Example 1: classname toggle js

document.getElementById('myButton').onclick = function() {
    this.classList.toggle('active');
}

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");
		});