<html lang="en">
<head>
<!-- Required meta tags -->
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
<!-- Bootstrap CSS -->
<link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.5.0/css/bootstrap.min.css"
integrity="sha384-9aIt2nRpC12Uk9gS9baDl411NQApFmC26EwAOH8WgZl5MYYxFfc+NcPb1dKGj7Sk" crossorigin="anonymous">
<title>TODOs List</title>
</head>
<body>
<nav class="navbar navbar-expand-lg navbar-dark bg-dark">
<a class="navbar-brand" href="#">TODOs List</a>
<button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#navbarSupportedContent"
aria-controls="navbarSupportedContent" aria-expanded="false" aria-label="Toggle navigation">
<span class="navbar-toggler-icon"></span>
</button>
<div class="collapse navbar-collapse" id="navbarSupportedContent">
<ul class="navbar-nav mr-auto">
<li class="nav-item active">
<a class="nav-link" href="#">Home <span class="sr-only">(current)</span></a>
</li>
<li class="nav-item">
<a class="nav-link" href="#">About</a>
</li>
<li class="nav-item dropdown">
<a class="nav-link dropdown-toggle" href="#" id="navbarDropdown" role="button"
data-toggle="dropdown" aria-haspopup="true" aria-expanded="false">
Items
</a>
<div class="dropdown-menu" aria-labelledby="navbarDropdown">
<a class="dropdown-item" href="#">Action</a>
<a class="dropdown-item" href="#">Another action</a>
<div class="dropdown-divider"></div>
<a class="dropdown-item" href="#">Something else here</a>
</div>
</li>
<li class="nav-item">
<a class="nav-link" href="#" tabindex="-1" aria-disabled="true">Contact</a>
</li>
</ul>
<form class="form-inline my-2 my-lg-0">
<input class="form-control mr-sm-2" type="search" placeholder="Search" aria-label="Search">
<button class="btn btn-outline-success my-2 my-sm-0" type="submit">Search</button>
</form>
</div>
</nav>
<div class="container my-4">
<h2 class="text-center">TODOs List</h2>
<div class="form-group">
<label for="title">Title</label>
<input type="text" class="form-control" id="title" aria-describedby="emailHelp">
<small id="emailHelp" class="form-text text-muted">Add an item to the list</small>
</div>
<div class="form-group">
<label for="description">Description</label>
<textarea class="form-control" id="description" rows="3"></textarea>
</div>
<button id="add" class="btn btn-primary">Add to list</button>
<button id="clear" class="btn btn-primary" onclick="clearStorage()">Clear list</button>
<div id="items" class="my-4">
<h2>Your Items</h2>
<table class="table">
<thead>
<tr>
<th scope="col">SNo</th>
<th scope="col">Item Title</th>
<th scope="col">Item Description</th>
<th scope="col">Actions</th>
</tr>
</thead>
<tbody id="tableBody">
<tr>
<th scope="row">1</th>
<td>Get some Coffee</td>
<td>You need coffee as you are a coder</td>
<td><button class="btn btn-sm btn-primary">Delete</button></td>
</tr>
</tbody>
</table>
</div>
</div>
<!-- Optional JavaScript -->
<!-- jQuery first, then Popper.js, then Bootstrap JS -->
<script src="https://code.jquery.com/jquery-3.5.1.slim.min.js"
integrity="sha384-DfXdz2htPH0lsSSs5nCTpuj/zy4C+OGpamoFVy38MVBnE+IbbVYUew+OrCXaRkfj"
crossorigin="anonymous"></script>
<script src="https://cdn.jsdelivr.net/npm/popper.js@1.16.0/dist/umd/popper.min.js"
integrity="sha384-Q6E9RHvbIyZFJoft+2mJbHaEWldlvI9IOYy5n3zV9zzTtmI3UksdQRVvoxMfooAo"
crossorigin="anonymous"></script>
<script src="https://stackpath.bootstrapcdn.com/bootstrap/4.5.0/js/bootstrap.min.js"
integrity="sha384-OgVRvuATP1z7JjHLkuOU7Xw704+h835Lr+6QL9UvYjZE3Ipu6Tp75j7Bh/kR0JKI"
crossorigin="anonymous"></script>
<script>
function getAndUpdate(){
console.log("Updating List...");
tit = document.getElementById('title').value;
desc = document.getElementById('description').value;
if (localStorage.getItem('itemsJson')==null){
itemJsonArray = [];
itemJsonArray.push([tit, desc]);
localStorage.setItem('itemsJson', JSON.stringify(itemJsonArray))
}
else{
itemJsonArrayStr = localStorage.getItem('itemsJson')
itemJsonArray = JSON.parse(itemJsonArrayStr);
itemJsonArray.push([tit, desc]);
localStorage.setItem('itemsJson', JSON.stringify(itemJsonArray))
}
update();
}
function update(){
if (localStorage.getItem('itemsJson')==null){
itemJsonArray = [];
localStorage.setItem('itemsJson', JSON.stringify(itemJsonArray))
}
else{
itemJsonArrayStr = localStorage.getItem('itemsJson')
itemJsonArray = JSON.parse(itemJsonArrayStr);
}
// Populate the table
let tableBody = document.getElementById("tableBody");
let str = "";
itemJsonArray.forEach((element, index) => {
str += `
<tr>
<th scope="row">${index + 1}</th>
<td>${element[0]}</td>
<td>${element[1]}</td>
<td><button class="btn btn-sm btn-primary" onclick="deleted(${index})">Delete</button></td>
</tr>`;
});
tableBody.innerHTML = str;
}
add = document.getElementById("add");
add.addEventListener("click", getAndUpdate);
update();
function deleted(itemIndex){
console.log("Delete", itemIndex);
itemJsonArrayStr = localStorage.getItem('itemsJson')
itemJsonArray = JSON.parse(itemJsonArrayStr);
// Delete itemIndex element from the array
itemJsonArray.splice(itemIndex, 1);
localStorage.setItem('itemsJson', JSON.stringify(itemJsonArray));
update();
}
function clearStorage(){
if (confirm("Do you areally want to clear?")){
console.log('Clearing the storage')
localStorage.clear();
update()
}
}
</script>
</body>
</html>
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