Untitled

<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">

    <!-- Bootstrap CSS -->
    <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0/css/bootstrap.min.css" integrity="sha384-Gn5384xqQ1aoWXA+058RXPxPg6fy4IWvTNh0E263XmFcJlSAwiGgFAW/dAiS6JXm"
        crossorigin="anonymous">

    <title>Battleship</title>
    <link rel="stylesheet" type="text/css" href="style.css">
    <script type="text/javascript" src="javascript.js"></script>
</head>

<body>
    <div class="container" id='mainDiv'>
        <div class="center">
            <select id="selectedBoardLength">
                <option value="3">3X3</option>
                <option value="4">4X4</option>
                <option value="5">5X5</option>
                <option value="6">6X6</option>
                <option value="7">7X7</option>
                <option value="8">8X8</option>
                <option value="9">9X9</option>
                <option value="10">10X10</option>
            </select>
        </div>
        <div class="center" id="shipInputDiv">
            <input id="textfieldNumberOfShips" name="number" type="number" placeholder="Sisesta laevade arv" />
        </div>
        <div class="center" id="startDiv">
            <button id="startButton" onclick="loadBoard('playerBoardDiv')">Alusta</button>

        </div>
        <div class="row">
            <div id="playerBoardDiv" class="col-sm-6"></div>
            <div id="computerBoardDiv" class="col-sm-6"></div>
        </div>
        <div id='infoDiv'></div>
        <div id="tulem"></div>
    </div>
    <!-- Optional JavaScript -->
    <!-- jQuery first, then Popper.js, then Bootstrap JS -->
    <script src="https://code.jquery.com/jquery-3.2.1.slim.min.js" integrity="sha384-KJ3o2DKtIkvYIK3UENzmM7KCkRr/rE9/Qpg6aAZGJwFDMVNA/GpGFF93hXpG5KkN"
        crossorigin="anonymous"></script>
    <script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.12.9/umd/popper.min.js" integrity="sha384-ApNbgh9B+Y1QKtv3Rn7W3mgPxhU9K/ScQsAP7hUibX39j7fakFPskvXusvfa0b4Q"
        crossorigin="anonymous"></script>
    <script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0/js/bootstrap.min.js" integrity="sha384-JZR6Spejh4U02d8jOt6vLEHfe/JQGiRRSQQxSfFWpi1MquVdAyjUar5+76PVCmYl"
        crossorigin="anonymous"></script>

</body>

</html>