web-base/lab4.html at main · YaroslavBonzo/web-base · GitHub

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<!DOCTYPE html>
<html lang="ru">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>калькулятор</title>
     <link href="style4.css" rel="stylesheet" type="text/css" />
     <link
      href="https://fonts.googleapis.com/css2?family=BBH+Sans+Bartle&display=swap"
      rel="stylesheet"
    />
</head>
<body>
    <div class="calculator-container">
        <h1>calculator</h1>

        <div class="input-group">
            <label for="number1">first number:</label>
            <input type="number" id="number1" placeholder="enter number" step="any">
            <div class="error-message" id="error1"></div>
        </div>

        <div class="input-group">
            <label for="number2">second number:</label>
            <input type="number" id="number2" placeholder="enter number" step="any">
            <div class="error-message" id="error2"></div>
        </div>

        <div class="operation-selector">
            <label for="operation">operation:</label>
            <select id="operation">
                <option value="add">addition (+)</option>
                <option value="subtract">subtraction (-)</option>
                <option value="multiply">multiplication (×)</option>
                <option value="divide">division (÷)</option>
            </select>
        </div>

        <button class="calculate-btn" id="calculate">calculate</button>

        <div class="result-container">
            <div class="result-label">Result:</div>
            <div class="result-value" id="result">—</div>
        </div>

        <div class="operations-history">
            <div class="history-title">Operation history:</div>
            <div id="history-list"></div>
        </div>

    </div>

    <script src="script.js"></script>
</body>
</html>