1.2-extended-syntax/index.html

<!DOCTYPE html>
<html>

<head>
    <meta charset="utf-8" />
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <title>Homework 1.2</title>
    <meta name="viewport" content="width=device-width, initial-scale=1">
</head>

<body>
    <input type="number" placeholder="a" id="a"><br><br>
    <input type="number" placeholder="b" id="b"><br><br>
    <input type="number" placeholder="c" id="c"><br><br>
    <button onClick="calculateQuadraticEquation()">Считать задание №1</button><br>
    <span id="equation"></span><br>
    <span id="result"></span>
    <hr/>
    
    <input type="text" placeholder="marks" id="marks"><br><br>
    <button onClick="calculateAverageRating()">Считать задание №2</button><br>
    <span id="averageMark"></span>
    <hr/>
    
    <input type="text" placeholder="Name" id="personName"><br><br>
    <input type="date" id="dateOfBirthday" value="2000-01-01"><br><br>
    <button onClick="calculateDrinkTask()">Считать задание №3</button><br>
    <span id="drink"></span>
    <hr/>

    <script src="main.js"></script>
    <script src="task.js"></script>
</body>

</html>