[jQuery编程挑战]004 针对选择框词典式排序

<!DOCTYPE html>
<html lang="zh">
    <head>
        <meta charset="utf-8"/>
        <title>针对选择框词典式排序</title>
        <script type="text/javascript" src="../js/jquery-1.11.0.js"></script>
        <script type="text/javascript">
            $(function() {
                /*$('button').click(function() {
                    var options = $('option');
                    for (var i = 1; i < options.length; i++) {
                        for (var j = 0; j < i; j++) {
                            var currOption = $(options.get(i)),
                                loopOption = $(options.get(j));
                            if (currOption.text() < loopOption.text()) {
                                currOption.insertBefore(loopOption);
                            }
                        }
                    }
                });*/

                $('button').click(function() {
                    var $options = $('option');
                    $options.sort(function(a, b) {
                        if ($(a).text() > $(b).text()) return 1;
                        else return -1;
                    });
                    $('select').html($options);
                });
            });
        </script>
    </head>
    <body>
        <button>排序</button>
        <select>
            <option>php</option>
            <option>c</option>
            <option>javascript</option>
            <option>css</option>
            <option>html</option>
            <option>python</option>
        </select>
    </body>
</html>

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原文地址：https://www.cnblogs.com/jerry19890622/p/4309887.html