Uncaught TypeError: Failed to execute 'insertAdjacentElement' on 'Element': parameter 2 is not of type 'Element'
The second parameter of insertAdjacentElement() should be a html object. The trick below works :) var htmlString = `<div class="item clearfix" id="income-${obj.id}"> <div class="item__description">${obj.descripiton}</div> <div class="right clearfix"> <div class="item__value">${obj.value}</div> <div class="item__delete"> <button class="item__delete--btn"><i class="ion-ios-close-outline"></i></button> </div> </div> </div>` var htmlObject = document.createElement('div'); htmlObject.innerHTML=htmlString; document.querySelector(".income__list").insertAdjacentElement('beforeend', htmlObject);