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DOM.html
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Todo-List</title>
</head>
<script>
let globalId = 1;
function markAsdone(todoId) {
const parent = document.getElementById(todoId);
parent.children[2].innerHTML = "Done!";
}
function createChild(title, description, id) {
const child = document.createElement("div");
const firstGrandChild = document.createElement("div");
firstGrandChild.innerHTML = title;
const secondGrandChild = document.createElement("div");
secondGrandChild.innerHTML = description;
const thirdGrandChild = document.createElement("button");
thirdGrandChild.innerHTML = "Mark as done";
thirdGrandChild.setAttribute("onclick", `markAsdone(${id})`)
child.appendChild(firstGrandChild);
child.appendChild(secondGrandChild);
child.appendChild(thirdGrandChild);
child.setAttribute("id", id);
return child;
}
function addTodo() {
const title = document.getElementById("title").value;
const description = document.getElementById("description").value;
const parent = document.getElementById("container");
parent.append(createChild(title, description, globalId++))
}
</script>
<body>
<input id="title" type="text" placeholder="title">
<br><br>
<input id="description" type="text" placeholder="description">
<br><br>
<button onclick="addTodo()">Add todo</button>
<div id="container"></div>
</body>
</html>