在焦点事件上显示jQuery UI自动完成列表 [英] Display jquery ui auto-complete list on focus event

问题描述

这是我的代码，有什么问题吗? 它似乎没有显示焦点列表，我仍然必须先按一个键才能显示列表

here is my code, anything wrong with it ? it doesn't seem to display list on focus, i still have to press a key before it displays list

<link media="all" type="text/css" href="http://ajax.googleapis.com/ajax/libs/jqueryui/1.8.6/themes/smoothness/jquery-ui.css" rel="stylesheet"/>
<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.4.3/jquery.min.js"></script>
<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jqueryui/1.8.6/jquery-ui.min.js"></script>

<script type="text/javascript">
    $(function() {
        $('#id').autocomplete({
            source: ["ActionScript",
                        "AppleScript",
                        "Asp",
                        "BASIC",
                        "C",
                        "C++",
                        "Clojure",
                        "COBOL",
                        "ColdFusion",
                        "Erlang",
                        "Fortran",
                        "Groovy",
                        "Haskell",
                        "Java",
                        "JavaScript",
                        "Lisp",
                        "Perl",
                        "PHP",
                        "Python",
                        "Ruby",
                        "Scala",
                        "Scheme"
                    ],
            minLength: 0
        });
    }).focus(function(){            
            $(this).trigger('keydown.autocomplete');
    });
</script>


<input type="text" id="id">

推荐答案

好像您要将focus()处理程序附加到匿名函数而不是文本框上.

Looks like you are attaching your focus() handler to the anonymous function and not the text box.

尝试一下:

<script type="text/javascript">
    $(function() {
        $('#id').autocomplete({
            source: ["ActionScript",
                        /* ... */
                    ],
            minLength: 0
        }).focus(function(){            
            // The following works only once.
            // $(this).trigger('keydown.autocomplete');
            // As suggested by digitalPBK, works multiple times
            // $(this).data("autocomplete").search($(this).val());
            // As noted by Jonny in his answer, with newer versions use uiAutocomplete
            $(this).data("uiAutocomplete").search($(this).val());
        });
    });
</script>

这篇关于在焦点事件上显示jQuery UI自动完成列表的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！