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jQWidgets jqxDataTable clearFilters() Method

  • Last Updated : 10 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 clearFilters() method is used to clear the filters. This function does not accept any parameter.

Syntax:

$("#dataTable").jqxDataTable('clearFilters');

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>

Example: The below example illustrates the jQWidgets clearFilters() method. In this example, there is already an applied filter that is going to be removed using the clearFilters() method.

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>
    <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"];
  
            for (var i = 0; i < 4; i++) {
                var row = {};
                row["Employee_Name"] = Employee_Name[i];
                row["Company"] = Company[i];
                row["Designation"] = Designation[i]
                data[i] = row;
            }
  
            var source = {
                localData: data,
                dataType: "array",
                dataFields: [{
                    name: 'Employee_Name',
                    type: 'string'
                }, {
                    name: 'Company',
                    type: 'string'
                }, {
                    name: 'Designation',
                    type: 'string'
                }]
            };
  
            var dataAdapter = new
             $.jqx.dataAdapter(source);
            $("#table").jqxDataTable({
                width: 550,
                theme: 'energyblue',
                pageable: true,
                editable: true,
                source: dataAdapter,
                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: 200,
                height: 30
            });
            var filtertype = 'stringfilter';
            var filtergroup = new $.jqx.filter();
            var filter_or_operator = 1;
            var filtervalue = "GeeksforGeeks";
            var filtercondition = 'equal';
            var filter = filtergroup.createfilter
                (filtertype, filtervalue,
                 filtercondition);
            filtergroup.addfilter(filter_or_operator,
                                  filter);
            $("#table").jqxDataTable('addFilter', 
                               'Company', filtergroup);
            $("#table").jqxDataTable('applyFilters');
            $('#jqxbutton').click(function () {
                $("#table").jqxDataTable('clearFilters');
            });
        });
    </script>
</head>
  
<body>
    <center>
        <h1 style="color: green;"
          GeeksforGeeks 
        </h1>
        <h3
          jQWidgets jqxDataTable clearFilters() Method 
        </h3>
        <div id="table"></div>
        <input type="button" style="margin: 20px;" 
               id="jqxbutton" 
               value="Clear the filters" />
    </center>
</body>
  
</html>

Output:

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


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