JAVA SCRIPT(DAY4)(ALL IN ONE VIDEO)

PROJECT2.HTML

<!doctype html>

<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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