jquery仿select列表展示

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>jQuery 仿 Select 列表展示</title>
    <style>
        .custom-select {
            position: relative;
            display: inline-block;
        }
        .select-items {
            display: none;
            position: absolute;
            background-color: #f1f1f1;
            min-width: 100%;
            box-shadow: 0px 8px 16px 0px rgba(0,0,0,0.2);
            z-index: 1;
        }
        .select-items div {
            padding: 8px 16px;
            cursor: pointer;
        }
        .select-items div:hover {
            background-color: #ddd;
        }
    </style>
</head>
<body>
    <div class="custom-select">
        <input type="text" id="select-input" readonly>
        <div class="select-items" id="select-items">
            <div>Option 1</div>
            <div>Option 2</div>
            <div>Option 3</div>
        </div>
    </div>

    <script src="https://code.jquery.com/jquery-3.6.0.min.js"></script>
    <script>
        $(document).ready(function() {
            $('#select-input').click(function() {
                $('#select-items').toggle();
            });

            $('.select-items div').click(function() {
                var selectedOption = $(this).text();
                $('#select-input').val(selectedOption);
                $('#select-items').hide();
            });
        });
    </script>
</body>
</html>

$(document).click(function(event) {
    if (!$(event.target).closest('.custom-select').length) {
        $('#select-items').hide();
    }
});