面试题：JavaScript中如何使用CSS控制单个元素的显示隐藏

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

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        #targetElement {
            display: block;
        }
    </style>
</head>

<body>
    <button id="toggleButton">切换显示隐藏</button>
    <div id="targetElement">这是目标元素</div>
    <script>
        const toggleButton = document.getElementById('toggleButton');
        const targetElement = document.getElementById('targetElement');

        toggleButton.addEventListener('click', function () {
            if (targetElement.style.display === 'none') {
                targetElement.style.display = 'block';
            } else {
                targetElement.style.display = 'none';
            }
        });
    </script>
</body>

</html>

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面试题：JavaScript中如何使用CSS控制单个元素的显示隐藏

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