jQWidgets jqxTagCloud insertAt()用法及代码示例

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。这jqx标签云用于显示与网站上的文章、帖子或视频相关的一组用户生成的标签。

insertAt()方法用于在具有指定索引的元素之前插入元素jqx标签云.

用法:

$('#jqxTagCloud').jqxTagCloud('insertAt', index, tagItem);

参数：此方法接受两个参数，如下所示。

index: 这是要在其之前插入新元素的索引。
tagItem: 这是新元素。

返回值：该方法不返回任何值。

链接文件：下载jQWidgets从给定的链接。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” />
<script type=”text/javascript” src=”scripts/jquery.js”></script>
<script type=”text/javascript” src=”jqwidgets/jqxcore.js”></script>
<script type=”text/javascript” src=”jqwidgets/jqxdata.js”></script>
<script type=”text/javascript” src=”jqwidgets/jqxtagcloud.js”></script>
<script type=”text/javascript” src=”jqwidgets/jqx-all.js”></script>

例子：下面的例子说明了jQWidgets insertAt()方法。在下面的示例中，将在第 0 个元素之前插入一个新元素。

HTML


<!DOCTYPE html> 
<html lang="en"> 
  
<head> 
    <link rel="stylesheet" 
          href="jqwidgets/styles/jqx.base.css" 
          type="text/css"/> 
    <script type="text/javascript" 
            src="scripts/jquery.js"> 
    </script> 
    <script type="text/javascript" 
            src="jqwidgets/jqxcore.js"> 
    </script> 
    <script type="text/javascript" 
            src="jqwidgets/jqxdata.js"> 
    </script> 
    <script type="text/javascript" 
            src="jqwidgets/jqxtagcloud.js"> 
    </script> 
    <script type="text/javascript" 
            src="jqwidgets/jqx-all.js"> 
    </script> 
</head> 
  
<body> 
    <center> 
        <h1 style="color:green;"> 
            GeeksforGeeks 
        </h1> 
        <h3> 
            jQWidgets jqxTagCloud insertAt() Method 
        </h3> 
        <div id="Tag_Cloud"></div> 
        <input type="button" style="margin: 28px;" 
           id="button_for_insertAt"
           value="Insert new elements before 0th element"/> 
        <div id="log"></div> 
        <script type="text/javascript"> 
            
            $(document).ready(function () { 
                var Data_for_TagCloud = [ 
                    { Name: "GFG", Rating: 4 }, 
                    { Name: "is a", Rating: 3 }, 
                    { Name: "CS", Rating: 2 }, 
                    { Name: "Portal.", Rating: 5 }, 
                ]; 
                var dataAdapter = new 
                    $.jqx.dataAdapter({ 
                        localData: Data_for_TagCloud 
                    }); 
                $('#Tag_Cloud').jqxTagCloud({ 
                    width: 450, 
                    source: dataAdapter, 
                    displayMember: 'Name', 
                    valueMember: 'Rating' 
                }); 
                $("#button_for_insertAt"). 
                    jqxButton({ 
                        width: 300 
                    }); 
                $("#button_for_insertAt").jqxButton(). 
                    click(function () { 
                        var Index = 0; 
                        var New_Element = { Name: 'abc', 
                                           Rating: 6 }; 
                        $('#Tag_Cloud').jqxTagCloud( 
                            'insertAt',  
                            Index, New_Element); 
                    }); 
            }); 
        </script> 
    </center> 
</body> 
  
</html>

输出：

参考： https://www.jqwidgets.com/jquery-widgets-documentation/documentation/jqxtagcloud/jquery-tagcloud-api.htm?search=

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注：本文由纯净天空筛选整理自Kanchan_Ray大神的英文原创作品 jQWidgets jqxTagCloud insertAt() Method。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。