jquery 定位焦点

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>jQuery 自动聚焦示例</title>
    <script src="https://code.jquery.com/jquery-3.6.0.min.js"></script>
</head>
<body>
    <input type="text" id="myInput">
    <script>
        $(document).ready(function() {
            $('#myInput').focus();
        });
    </script>
</body>
</html>

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>jQuery 手动聚焦示例</title>
    <script src="https://code.jquery.com/jquery-3.6.0.min.js"></script>
</head>
<body>
    <input type="text" id="myInput">
    <button id="focusButton">聚焦到输入框</button>
    <script>
        $(document).ready(function() {
            $('#focusButton').click(function() {
                $('#myInput').focus();
            });
        });
    </script>
</body>
</html>

$(document).ready(function() {
    try {
        $('#myInput').focus();
    } catch (e) {
        console.error('聚焦失败:', e);
    }
});