Hi @ravip413131,
in the line 7 you have written “let li = documnet.createElement('li')” please see for the spelling of the word “DOCUMENT”, rest looks fine.
Please find below code for your reference:
`window.onload = function () {
let newtask = document.getElementById("newtask");
let addtask = document.getElementById("addtask");
let todolist = document.getElementById("todolist");
addtask.onclick = function () {
let li = document.createElement("li");
li.innerText = newtask.value;
let xbtn = document.createElement("button");
xbtn.innerText = "X";
xbtn.onclick = function (event) {
event.target.parentElement.remove();
};
li.appendChild(xbtn);
todolist.appendChild(li);
};
};
`