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jQWidgets jqxDataTable removeFilter() Method

  • Last Updated : 05 Oct, 2021

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 jqxDataTable is used for reading and displaying the data from the HTML Table. This is also used to display data from various data sources like XML, JSON, Array, CSV, or TSV.

The removeFilter() method is used to remove the applied filter.

Syntax:

$("#dataTable").jqxDataTable('removeFilter','dataField');

Parameters: This method accepts a single parameter which is illustrated below:

  • dataField: This is the specified data field whose filter is going to be removed.

 

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/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>
<script type=”text/javascript” src=”jqwidgets/jqxdatatable.js”></script>

The below example illustrates the jQWidgets removeFilter() method.

Example: 

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/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>
    <script type="text/javascript" 
            src="jqwidgets/jqxdatatable.js">
    </script>
</head>
  
<body>
    <center>
        <h1 style="color: green;"
          GeeksforGeeks 
        </h1>
        <h3
          jQWidgets jqxDataTable removeFilter() Method 
        </h3>
        <div id="Data_Table"></div>
        <input type="button" 
               style="margin: 30px;" 
               id="jqxbutton" 
               value="Remove the applied filter" />
    </center>
    <script>
        $(document).ready(function () {
            var Data = new Array();
            var Employee_Name = [
                "Ravi", "Sumit", 
                "Amit", "Aakash"];
            var Company = [
                "GeeksforGeeks", 
                "Amazon", "Google",
                "GeeksforGeeks"];
            var Designation = [
                "Content Writer", 
                "Software Engineer",
                "Data Scientist", 
                "HR"];
  
            a = 0;
            while (a < 4) {
                var row = {};
                row["Employee_Name"] = Employee_Name[a];
                row["Company"] = Company[a];
                row["Designation"] = Designation[a]
                Data[a] = row;
                a++;
            }
  
            var Data_Source = {
                localData: Data,
                dataType: "array",
                dataFields: [{
                    name: 'Employee_Name',
                    type: 'string'
                }, {
                    name: 'Company',
                    type: 'string'
                }, {
                    name: 'Designation',
                    type: 'string'
                }]
            };
            var data_Adapter
                new $.jqx.dataAdapter(Data_Source);
            $("#Data_Table").jqxDataTable({
                width: 550,
                theme: 'energyblue',
                editable: true,
                source: data_Adapter,
                columns: [{
                    text: 'Employee_Name',
                    dataField: 'Employee_Name',
                    width: 200
                }, {
                    text: 'Company',
                    dataField: 'Company',
                    width: 160
                }, {
                    text: 'Designation',
                    dataField: 'Designation',
                    width: 190
                }]
            });
            $("#jqxbutton").jqxButton({
                theme: 'energyblue',
                width: 210,
                height: 35
            });
            // Creating a filter
            var type = 'stringfilter';
            var group = new $.jqx.filter();
            var operator = 2;
            var value = "Sumit";
            var condition = 'equal';
            var filter = group.createfilter(
                   type, value, condition);
            group.addfilter(operator, filter);
  
            // Adding the filters
            $("#Data_Table").jqxDataTable(
              'addFilter', 'Employee_Name', group
            );
  
            // Applying the filters
            $("#Data_Table").jqxDataTable(
                       'applyFilters');
            $('#jqxbutton').click(function () {
                $("#Data_Table").jqxDataTable(
                        'removeFilter',
                        'Employee_Name');
                $("#Data_Table").jqxDataTable(
                        'applyFilters');
            });
        });
    </script>
</body>
  
</html>

Output:

Reference: https://www.jqwidgets.com/jquery-widgets-documentation/documentation/jqxdatatable/jquery-datatable-api.htm


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