index.html

<!DOCTYPE html>
<html lang="zh">
<head>
    <meta charset="UTF-8">
    <meta name="viewport"
        content="width=device-width, initial-scale=1.0, maximum-scale=3.0, minimum-scale=1.0, user-scalable=no">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>MyTodo</title>
    <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Montserrat">
    <link id="todostyle" rel="stylesheet" href="./light.css">
    <link rel="stylesheet" href="./switch.css">
    <style>
        * {
            margin: 0;
            padding: 0;
        }
        ul {
            list-style: none;
        }
    </style>
</head>

<body>
    <header>
        <div class="center inputTodo">
            <span>MyTodo</span>
            <input type="text" placeholder="Type in todos" id="ipt" oninput="inputChange()">
        </div>
    </header>
    <div class="switch">
        <input type="checkbox" id="cbx" onchange="changeStyle()" class="uiswitch">
    </div>
    <div class="center todoContainer">
        <h2>Active <span class="todoCount">0</span></h2>
        <div class="select-all" onclick="selectAll()">Select All</div>
        <ul class="todo">
        </ul>

        <h2>Done <span class="doneCount">0</span></h2>
        <div class="unselect-all" onclick="unSelectAll()">Unselect All</div>
        <ul class="done">
        </ul>
    </div>

    <footer>
        Copyright &copy; 2021 Yumin Lu <a href="javascript:clear();">clear all</a>
    </footer>
    <script src="./todoList.js"></script>
</body>
</html>