jQWidgets jqxTagCloud updateAt() Method
jQWidgets is a JavaScript framework for making web-based applications for PC and mobile devices. It is a very powerful, optimized, platform-independent, and widely supported framework. The jqxTagCloud is used for displaying a set of user-generated tags that go with the articles, posts, or videos on a website.
The updateAt() method is used for updating an element with a specific index of the specified jqxTagCloud.
Syntax:
$('#jqxTagCloud').jqxTagCloud('updateAt', index, tagItem);Parameter: This method accepts two parameters that are illustrated below:
- index: This is the index whose element is being updated with the new element.
- tagItem: This is the new element.
Return Values: This method does not return any values.
Linked Files: Download jQWidgets from the given link. In the HTML file, locate the script files in the downloaded folder.
<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>
Example: The below example illustrates the jQWidgets updateAt() method. In the below example, the element with 0 index is being updated.
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 updateAt() Method </h3> <div id="Tag_Cloud"></div> <input type="button" style="margin: 28px;" id="button_for_updateAt" value="Update the 0th index with new 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_updateAt"). jqxButton({ width: 300 }); $("#button_for_updateAt").jqxButton(). click(function () { var Index = 0; var New_Element = { Name: 'abc', Rating: 6 }; $('#Tag_Cloud').jqxTagCloud( 'updateAt', Index, New_Element); }); }); </script> </center></body> </html> |
Output:
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