how to add parent class in jquery code example

Example 1: get parent element using jquery

/*
For accessing parent element details by using reference of children element.
Just Take a look on below example:
*/

<div id="parentDiv">
	<p>Child paragraph element</p>
</div>

$(document).ready(function(){
  alert($("p").parent().attr("id"));  // output: parentDiv
});

/*
I hope it will help you.
Namaste
*/

Example 2: parent class and add element addclass

// 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");
  }
 }