jQWidgets jqxDropDownList valueMember属性用法及代码示例

简介：jQWidgets 是一个 JavaScript 框架，用于为 PC 和移动设备制作基于 Web 的应用程序。它是一个非常强大、优化、独立于平台且得到广泛支持的框架。 jqxDropDownList 小部件是一个 jQuery 下拉列表，其中包含下拉列表中显示的可选项目列表。

值会员属性用于设置或返回值会员的项目。此属性指定要设置为列表项的 ‘value’ 的对象属性的名称。它接受 String 类型值，默认值为“”。

用法:

设置值会员属性。

$('selector').jqxDropDownList({ valueMember: String });

返回值会员属性。

var valueMember = $('selector').jqxDropDownList('valueMember');

链接文件：下载jQWidgets从链接。在 HTML 文件中，找到下载文件夹中的脚本文件。

<link rel=”stylesheet” href=”jqwidgets/styles/jqx.base.css” type=”text/css” />
<link rel=”stylesheet” href=”jqwidgets/styles/jqx.energyblue.css”>
<script type=”text/javascript” src=”scripts/jquery-1.11.1.min.js”></script>
<script type=”text/javascript” src=”jqwidgets/jqx-all.js”></script>
<script type=”text/javascript” src=”jqwidgets/jqxcore.js”></script>
<script type=”text/javascript” src=”jqwidgets/jqxbuttons.js”></script>
<script type=”text/javascript” src=”jqwidgets/jqxscrollbar.js”></script>
<script type=”text/javascript” src=”jqwidgets/jqxlistbox.js”></script>
<script type=”text/javascript” src=”jqwidgets/jqxdropdownlist.js”></script>

例子：下面的示例说明了 jqxDropDownList值会员jQWidgets 中的属性。

HTML


<!DOCTYPE html> 
<html lang="en"> 
  
<head> 
    <link rel="stylesheet" href= 
        "jqwidgets/styles/jqx.base.css" type="text/css" /> 
    <link rel="stylesheet" href= 
        "jqwidgets/styles/jqx.energyblue.css"> 
    <script type="text/javascript" 
        src="scripts/jquery-1.11.1.min.js"></script> 
    <script type="text/javascript" 
        src="jqwidgets/jqx-all.js"></script> 
    <script type="text/javascript" 
        src="jqwidgets/jqxcore.js"></script> 
    <script type="text/javascript" 
        src="jqwidgets/jqxbuttons.js"></script> 
    <script type="text/javascript" 
        src="jqwidgets/jqxscrollbar.js"></script> 
    <script type="text/javascript" 
        src="jqwidgets/jqxlistbox.js"></script> 
    <script type="text/javascript" 
        src="jqwidgets/jqxdropdownlist.js"></script> 
</head> 
  
<body> 
    <center> 
        <h1 style="color: green;"> 
            GeeksforGeeks 
        </h1> 
  
        <h3> 
            jQWidgets jqxDropDownList valueMember Property 
        </h3> 
  
        <div id='jqxDDL'></div> 
    </center> 
    <script type="text/javascript"> 
        $(document).ready(function() { 
            var data = [{ 
                index: 0, 
                subject: "Computer Science" 
            }, { 
                index: 0, 
                subject: "C Programming" 
            }, { 
                index: 0, 
                subject: "C++ Programming" 
            }, { 
                index: 0, 
                subject: "Java Programming" 
            }, { 
                index: 0, 
                subject: "Python Programming" 
            }, { 
                index: 0, 
                subject: "HTML" 
            }, { 
                index: 0, 
                subject: "CSS" 
            }, { 
                index: 0, 
                subject: "JavaScript" 
            }, { 
                index: 0, 
                subject: "jQuery" 
            }, { 
                index: 0, 
                subject: "PHP" 
            }, { 
                index: 0, 
                subject: "Bootstrap" 
            }]; 
  
            $("#jqxDDL").jqxDropDownList({ 
                source: data, 
                theme: 'energyblue', 
                displayMember: 'subject', 
                valueMember: 'index' 
            }); 
  
            $("#jqxDDL").on('change', function (event) { 
                alert("label: " + event.args.item.label  
                + ", value: " + event.args.item.index); 
            }); 
        }); 
    </script> 
</body> 
  
</html

输出：

参考： https://www.jqwidgets.com/jquery-widgets-documentation/documentation/jqxdropdownlist/jquery-dropdownlist-api.htm

相关用法

注：本文由纯净天空筛选整理自ppatelkap大神的英文原创作品 jQWidgets jqxDropDownList valueMember Property。非经特殊声明，原始代码版权归原作者所有，本译文未经允许或授权，请勿转载或复制。