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Filter Bar in JavaScript (ES5) Grid control

24 May 2022 / 3 minutes to read

By setting the allowFiltering to true, the filter bar row will render next to the header, which allows you to filter data. You can filter the records with different expressions depending upon the column type.

Filter bar expressions:

You can enter the following filter expressions (operators) manually in the filter bar.

Expression  Example  Description  Column Type
=value  equal  Number
!=  !=value  notequal  Number
>value  greaterthan  Number
<value  lessthan  Number
>=  >=value  greaterthanorequal  Number
<= <=value lessthanorequal  Number
*value  startswith  String
%value  endswith  String
N/A  N/A  Equal operator will always be used for date filter.  Date
N/A  N/A  Equal operator will always be used for Boolean filter.  Boolean
Source
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index.js
index.html
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ej.grids.Grid.Inject(ej.grids.Filter);
var grid = new ej.grids.Grid({
    dataSource: data,
    allowFiltering: true,
    columns: [
        { field: 'OrderID', headerText: 'Order ID', textAlign: 'Right', width: 100 },
        { field: 'CustomerID', headerText: 'Customer ID', width: 120 },
        { field: 'ShipCity', headerText: 'Ship City', width: 100 },
        { field: 'ShipName', headerText: 'Ship Name', width: 100 }
    ],
    height: 273
});
grid.appendTo('#Grid');
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<!DOCTYPE html><html lang="en"><head>
    <title>EJ2 Grid</title>
    <meta charset="utf-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta name="description" content="Typescript Grid Control">
    <meta name="author" content="Syncfusion">
    <link href="index.css" rel="stylesheet">
    <link href="//cdn.syncfusion.com/ej2/20.1.57/ej2-base/styles/material.css" rel="stylesheet">
    <link href="//cdn.syncfusion.com/ej2/20.1.57/ej2-grids/styles/material.css" rel="stylesheet">
    <link href="//cdn.syncfusion.com/ej2/20.1.57/ej2-buttons/styles/material.css" rel="stylesheet">
    <link href="//cdn.syncfusion.com/ej2/20.1.57/ej2-popups/styles/material.css" rel="stylesheet">
    <link href="//cdn.syncfusion.com/ej2/20.1.57/ej2-navigations/styles/material.css" rel="stylesheet">
    <link href="//cdn.syncfusion.com/ej2/20.1.57/ej2-dropdowns/styles/material.css" rel="stylesheet">
    <link href="//cdn.syncfusion.com/ej2/20.1.57/ej2-lists/styles/material.css" rel="stylesheet">
    <link href="//cdn.syncfusion.com/ej2/20.1.57/ej2-inputs/styles/material.css" rel="stylesheet">
    <link href="//cdn.syncfusion.com/ej2/20.1.57/ej2-calendars/styles/material.css" rel="stylesheet">
    
    
    
    <link href="//cdn.syncfusion.com/ej2/20.1.57/ej2-splitbuttons/styles/material.css" rel="stylesheet">
    
    
    
    
    <style>
        .e-row[aria-selected="true"] .e-customizedExpandcell {
            background-color: #e0e0e0;
        }
        .e-grid.e-gridhover tr[role='row']:hover {
            background-color: #eee;
        }
        .e-expand::before {
        content: '\e5b8';
    }
    </style>
<script src="https://cdn.syncfusion.com/ej2/20.1.57/dist/ej2.min.js" type="text/javascript"></script>
<script src="es5-datasource.js" type="text/javascript"></script>
</head>
<body>
    
    <script id="template" type="text/x-template">
        <input id='${OrderID}' value='${Freight}' class='custemp' type='text' style='width: 100%'>
    </script>
    <div id="container">
        <div id="Grid"></div>        
    </div>

<script>
var ele = document.getElementById('container');
if(ele) {
    ele.style.visibility = "visible";
 }   
        </script>
<script src="index.js" type="text/javascript"></script>
</body></html>

Filter bar template with custom component

The filterBarTemplate is used to add custom components to a particular column, and does the following functions:

  • create: Creates custom components.
  • write: Wires events for custom components.

In the following sample, the dropdown is used as a custom component in the EmployeeID column.

Source
Preview
index.js
index.html
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ej.grids.Grid.Inject(ej.grids.Filter);
var gridObj = new ej.grids.Grid({
    dataSource: data,
    allowFiltering: true,
    columns: [
        { field: 'OrderID', headerText: 'Order ID', textAlign: 'Right', width: 100 },
        {
            field: 'EmployeeID', filterBarTemplate: {
                create: function(args){
                    var dd = document.createElement('select');
                    dd.id = 'EmployeeID';
                    var dataSource = ['All', '1', '3', '4', '5', '6', '8', '9'];
                    for (var i = 0; i < dataSource.length; i++) {
                        var option= document.createElement('option');
                        option.value = dataSource[i];
                        option.innerHTML = dataSource[i];
                        dd.appendChild(option);
                    }
                    return dd;
                },
                write: function(args){
                    args.element.addEventListener('input',
                    function(args){
                        var target = args.currentTarget;
                        if (target.value !== 'All') {
                            var value = +target.value;
                            gridObj.filterByColumn(target.id, 'equal', value);
                        } else {
                            gridObj.removeFilteredColsByField(target.id);
                        }
                    });
                },
            },
            textAlign: 'Right', width: 100
        },
        { field: 'ShipCity', headerText: 'Ship City', width: 100 },
        { field: 'ShipName', headerText: 'Ship Name', width: 100 }]
});
gridObj.appendTo('#Grid');
Copied to clipboard
<!DOCTYPE html><html lang="en"><head>
    <title>EJ2 Grid</title>
    <meta charset="utf-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta name="description" content="Typescript Grid Control">
    <meta name="author" content="Syncfusion">
    <link href="index.css" rel="stylesheet">
    <link href="//cdn.syncfusion.com/ej2/20.1.57/ej2-base/styles/material.css" rel="stylesheet">
    <link href="//cdn.syncfusion.com/ej2/20.1.57/ej2-grids/styles/material.css" rel="stylesheet">
    <link href="//cdn.syncfusion.com/ej2/20.1.57/ej2-buttons/styles/material.css" rel="stylesheet">
    <link href="//cdn.syncfusion.com/ej2/20.1.57/ej2-popups/styles/material.css" rel="stylesheet">
    <link href="//cdn.syncfusion.com/ej2/20.1.57/ej2-navigations/styles/material.css" rel="stylesheet">
    <link href="//cdn.syncfusion.com/ej2/20.1.57/ej2-dropdowns/styles/material.css" rel="stylesheet">
    <link href="//cdn.syncfusion.com/ej2/20.1.57/ej2-lists/styles/material.css" rel="stylesheet">
    <link href="//cdn.syncfusion.com/ej2/20.1.57/ej2-inputs/styles/material.css" rel="stylesheet">
    <link href="//cdn.syncfusion.com/ej2/20.1.57/ej2-calendars/styles/material.css" rel="stylesheet">
    
    
    
    <link href="//cdn.syncfusion.com/ej2/20.1.57/ej2-splitbuttons/styles/material.css" rel="stylesheet">
    
    
    
    
<script src="https://cdn.syncfusion.com/ej2/20.1.57/dist/ej2.min.js" type="text/javascript"></script>
<script src="es5-datasource.js" type="text/javascript"></script>
</head>
<body>
    
    <div id="container">
        <div id="Grid"></div>        
    </div>

<script>
var ele = document.getElementById('container');
if(ele) {
    ele.style.visibility = "visible";
 }   
        </script>
<script src="index.js" type="text/javascript"></script>
</body></html>

Change default filterbar operator

You can change the filter operator as per the requirement by defining the filter property in Grid columns.

In this below demo, we have applied the filter operator contains for CustomerID column.

Source
Preview
index.js
index.html
Copied to clipboard
ej.grids.Grid.Inject(ej.grids.Page, ej.grids.Filter);

var grid = new ej.grids.Grid({
    dataSource: data,
    allowPaging: true,
    allowFiltering: true,
    columns: [
        { field: 'OrderID', headerText: 'Order ID', textAlign: 'Right', width: 120, type: 'number' },
        { field: 'CustomerID', width: 140, filter: { operator: "contains" }, headerText: 'Customer ID', type: 'string' },
        { field: 'Freight', headerText: 'Freight', textAlign: 'Right', width: 120, format: 'C2' },
        { field: 'OrderDate', headerText: 'Order Date', textAlign: 'Right', width: 140, format: 'yMd' }
    ],
    height: 220
});
grid.appendTo('#Grid');
Copied to clipboard
<!DOCTYPE html><html lang="en"><head>
    <title>EJ2 Grid</title>
    <meta charset="utf-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta name="description" content="Typescript Grid Control">
    <meta name="author" content="Syncfusion">
    <link href="index.css" rel="stylesheet">
    <link href="//cdn.syncfusion.com/ej2/20.1.57/ej2-base/styles/material.css" rel="stylesheet">
    <link href="//cdn.syncfusion.com/ej2/20.1.57/ej2-grids/styles/material.css" rel="stylesheet">
    <link href="//cdn.syncfusion.com/ej2/20.1.57/ej2-buttons/styles/material.css" rel="stylesheet">
    <link href="//cdn.syncfusion.com/ej2/20.1.57/ej2-popups/styles/material.css" rel="stylesheet">
    <link href="//cdn.syncfusion.com/ej2/20.1.57/ej2-navigations/styles/material.css" rel="stylesheet">
    <link href="//cdn.syncfusion.com/ej2/20.1.57/ej2-dropdowns/styles/material.css" rel="stylesheet">
    <link href="//cdn.syncfusion.com/ej2/20.1.57/ej2-lists/styles/material.css" rel="stylesheet">
    <link href="//cdn.syncfusion.com/ej2/20.1.57/ej2-inputs/styles/material.css" rel="stylesheet">
    <link href="//cdn.syncfusion.com/ej2/20.1.57/ej2-calendars/styles/material.css" rel="stylesheet">
    
    
    
    <link href="//cdn.syncfusion.com/ej2/20.1.57/ej2-splitbuttons/styles/material.css" rel="stylesheet">
    
    
    
    
<script src="https://cdn.syncfusion.com/ej2/20.1.57/dist/ej2.min.js" type="text/javascript"></script>
<script src="es5-datasource.js" type="text/javascript"></script>
</head>
<body>
    
    <div id="container">
        <div id="Grid"></div>        
    </div>

<script>
var ele = document.getElementById('container');
if(ele) {
    ele.style.visibility = "visible";
 }   
        </script>
<script src="index.js" type="text/javascript"></script>
</body></html>