change value of element javascript by class toggle code example

Example 1: toggle class to an element javascript

// html <div class="parentElm" id="addActive"></div>

// js
function toggleClass(){
  // get the properties of an element
  var element = document.getElementById("addActive");
  
//  check if the element have class list
  if (element.classList) {
    // add active class if true
   element.classList.toggle("active");
  } else {
   var classes = element.className.split(" ");
   var i = classes.indexOf("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");
		});