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How to properly add a button to a div in javaScript

Im making a baisc CRUD app and am having trouble with my delete and edit buttons. I can add the delete button to the main container but cannot add it to the comment within the container.

let submitBtn = document.getElementById("submitBtn");
let commentContainer = document.getElementById("commentsContainer")

//Delete Button
let deleteBtn = document.createElement("button");
deleteBtn.classList.add("deleteBtn")
deleteBtn.innerText =  "Delete"




submitBtn.addEventListener("click" , function postComment() {
    let comment = document.getElementById("comment").value
    let newComment = document.createElement("div")
        if(comment == ""){
            //No comment typed alert
            alert("Please type a comment!")
        } else {
          //Inserting comment into container
           commentContainer.appendChild(newComment)
           newComment.classList.add("comment")
            

           //Line in question
           newComment.appendChild(deleteBtn)

        //commentContainer.appendChild(deleteBtn) works just fine

           //Setting Comment text
           newComment.innerText = comment;
        }
    deleteBtn.addEventListener("click" ,() =>{
        //Deleteing all comment attributes
        newComment.remove()
        deleteBtn.remove()
    })
    })

The button works however I cannot for the life of me figure out why when I try to append it to the div that contains the comment JS doesnt create the button but when I append it to the comments parent div it works fine.

Any and all help is greatly appreciated. Thanks!

Answer

commentContainer.appendChild(newComment) 

Must be the last instruction, and should be moved at the end of the else under this line:

newComment.innerText = comment;
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