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Getting started in EJ2 JavaScript Multi select control

10 Feb 202617 minutes to read

This section explains the steps required to create a simple Essential^® JS 2 Multiselect and demonstrate the basic usage of the Multiselect control in a JavaScript application.

Dependencies

The list of dependencies required to use the Multiselect component in your application is given below:

|-- @syncfusion/ej2-dropdowns
    |-- @syncfusion/ej2-base
    |-- @syncfusion/ej2-data
    |-- @syncfusion/ej2-inputs
    |-- @syncfusion/ej2-lists
    |-- @syncfusion/ej2-navigations
    |-- @syncfusion/ej2-notifications
    |-- @syncfusion/ej2-popups
        |-- @syncfusion/ej2-buttons

Setup for local environment

Refer to the following steps to set up your local environment.

Step 1: Create a root folder named my-app for your application.

Step 2: Create a my-app/resources folder to store local scripts and styles files.

Step 3: Open Visual Studio Code and create my-app/index.js and my-app/index.html files to initialize the Essential^® JS 2 Multiselect control.

Adding Syncfusion^® resources

The Essential^® JS 2 Multiselect control can be initialized by using either of the following ways.

Using local script and style.
Using CDN link for script and style.

Using local script and style references in a HTML page

Step 1: Create an app folder myapp for Essential^® JS 2 JavaScript components.

Step 2: You can get the global scripts and styles from the Essential Studio^® JavaScript (Essential^® JS 2) build installed location.

Syntax:

Script: **(installed location)**/Syncfusion/Essential Studio/{RELEASE_VERSION}/Essential JS 2/{PACKAGE_NAME}/dist/global/{PACKAGE_NAME}.min.js

Styles: **(installed location)**/Syncfusion/Essential Studio/{RELEASE_VERSION}/Essential JS 2/{PACKAGE_NAME}/styles/material.css

Example:

Script: C:/Program Files (x86)/Syncfusion/Essential Studio/15.4.30/Essential JS 2/ej2-dropdowns/dist/global/ej2-dropdowns.min.js

Styles: C:/Program Files (x86)/Syncfusion/Essential Studio/15.4.30/Essential JS 2/ej2-dropdowns/styles/material.css

Step 3: Create a folder myapp/resources and copy/paste the global scripts and styles from the above installed location to myapp/resources location.

Step 4: Create a HTML page (index.html) in myapp location and add the Essentials JS 2 script and style references.

<!DOCTYPE html>
  <html xmlns="http://www.w3.org/1999/xhtml">
       <head>
            <title>Essential JS 2</title>
            <!-- Essential JS 2 material theme -->
            <link href="resources/base/styles/material.css" rel="stylesheet" type="text/css"/>
            <link href="resources/inputs/styles/material.css" rel="stylesheet" type="text/css"/>
            <link href="resources/lists/styles/material.css" rel="stylesheet" type="text/css"/>
            <link href="resources/popups/styles/material.css" rel="stylesheet" type="text/css"/>
            <link href="resources/buttons/styles/material.css" rel="stylesheet" type="text/css"/>
            <link href="resources/dropdowns/styles/material.css" rel="stylesheet" type="text/css"/>

            <!-- Essential JS 2 MultiSelect's dependent scripts -->
            <script src="resources/ej2-base.min.js" type="text/javascript"></script>
            <script src="resources/ej2-data.min.js" type="text/javascript"></script>
            <script src="resources/ej2-inputs.min.js" type="text/javascript"></script>
            <script src="resources/ej2-lists.min.js" type="text/javascript"></script>
            <script src="resources/ej2-popups.min.js" type="text/javascript"></script>
            <script src="resources/ej2-buttons.min.js" type="text/javascript"></script>
            <!-- Essential JS 2 MultiSelect's global script -->
            <script src="resources/ej2-dropdowns.min.js" type="text/javascript"></script>
       </head>
       <body>
       </body>
  </html>

Step 5: Now, add the input element and initiate the Essential^® JS 2 MultiSelect component in the index.html by using following code

<!DOCTYPE html>
  <html xmlns="http://www.w3.org/1999/xhtml">
       <head>
            <title>Essential JS 2</title>
            <!-- Essential JS 2 material theme -->
            <link href="resources/base/styles/material.css" rel="stylesheet" type="text/css"/>
            <link href="resources/inputs/styles/material.css" rel="stylesheet" type="text/css"/>
            <link href="resources/lists/styles/material.css" rel="stylesheet" type="text/css"/>
            <link href="resources/popups/styles/material.css" rel="stylesheet" type="text/css"/>
            <link href="resources/buttons/styles/material.css" rel="stylesheet" type="text/css"/>
            <link href="resources/dropdowns/styles/material.css" rel="stylesheet" type="text/css"/>

            <!-- Essential JS 2 MultiSelect's dependent scripts -->
            <script src="resources/ej2-base.min.js" type="text/javascript"></script>
            <script src="resources/ej2-data.min.js" type="text/javascript"></script>
            <script src="resources/ej2-inputs.min.js" type="text/javascript"></script>
            <script src="resources/ej2-lists.min.js" type="text/javascript"></script>
            <script src="resources/ej2-popups.min.js" type="text/javascript"></script>
            <script src="resources/ej2-buttons.min.js" type="text/javascript"></script>
            <!-- Essential JS 2 MultiSelect's global script -->
            <script src="resources/ej2-dropdowns.min.js" type="text/javascript"></script>
       </head>
      <body>
           <!-- Add the HTML <input> element  -->
             <input type="text" id='multiselect' />
            <script>
            // initialize MultiSelect component
            var multiSelect = new ej.dropdowns.MultiSelect();
            // Render initialized MultiSelect.
            multiSelect.appendTo('#multiselect');
            </script>
       </body>
  </html>

Step 6: Now, run the index.html in web browser, it will render the Essential^® JS 2 MultiSelect component.

Using CDN link for script and style reference

Step 1: Create an app folder myapp for the Essential^® JS 2 JavaScript components.

Step 2: The Essential^® JS 2 component’s global scripts and styles are already hosted in the following CDN link formats.

Syntax:

Script: http://cdn.syncfusion.com/ej2/{PACKAGE_NAME}/dist/global/{PACKAGE_NAME}.min.js

Styles: http://cdn.syncfusion.com/ej2/{PACKAGE_NAME}/styles/material.css

Example:

Script: http://cdn.syncfusion.com/ej2/ej2-dropdowns/dist/global/ej2-dropdowns.min.js

Styles: http://cdn.syncfusion.com/ej2/ej2-dropdowns/styles/material.css

Step 3: Create a HTML page (index.html) in myapp location and add the CDN link references. Now, add the input element and initiate the Essential^® JS 2 MultiSelect component in the index.html by using following code.

index.html
<!DOCTYPE html>
  <html xmlns="http://www.w3.org/1999/xhtml">
   <head>
                
        <title>Essential JS 2</title>
         <!-- Essential JS 2 MultiSelect's dependent material theme -->
        <link href="//cdn.syncfusion.com/ej2/21.2.3/ej2-base/styles/material.css" rel="stylesheet" type="text/css"/>
        <link href="//cdn.syncfusion.com/ej2/21.2.3/ej2-inputs/styles/material.css" rel="stylesheet" type="text/css"/>
        <link href="//cdn.syncfusion.com/ej2/21.2.3/ej2-dropdowns/styles/material.css" rel="stylesheet" type="text/css"/>

        <!-- Essential JS 2 all script -->
        <!-- <script src="https://cdn.syncfusion.com/ej2/32.2.3/dist/ej2.min.js" type="text/javascript"></script> -->

        <!-- Essential JS 2 MultiSelect's dependent scripts -->
        <script src="//cdn.syncfusion.com/ej2/21.2.3/ej2-base/dist/global/ej2-base.min.js" type="text/javascript"></script>
        <script src="//cdn.syncfusion.com/ej2/21.2.3/ej2-data/dist/global/ej2-data.min.js" type="text/javascript"></script>
        <script src="//cdn.syncfusion.com/ej2/21.2.3/ej2-inputs/dist/global/ej2-inputs.min.js" type="text/javascript"></script>
        <script src="//cdn.syncfusion.com/ej2/21.2.3/ej2-buttons/dist/global/ej2-buttons.min.js" type="text/javascript"></script>
        <script src="//cdn.syncfusion.com/ej2/21.2.3/ej2-lists/dist/global/ej2-lists.min.js" type="text/javascript"></script>
        <script src="//cdn.syncfusion.com/ej2/21.2.3/ej2-popups/dist/global/ej2-popups.min.js" type="text/javascript"></script>
        <script src="//cdn.syncfusion.com/ej2/21.2.3/ej2-dropdowns/dist/global/ej2-dropdowns.min.js" type="text/javascript"></script>
   <script src="https://cdn.syncfusion.com/ej2/syncfusion-helper.js" type ="text/javascript"></script>
</head>
   <body>
       <!-- Add the HTML <input> element  -->
         <input type="text" id='multi' />
        <script>
        // initialize MultiSelect component
        var MultiSelect = new ej.dropdowns.MultiSelect();
        // Render initialized MultiSelect.
        MultiSelect.appendTo('#multi');
        </script>
   </body>
  </html>

Step 4: Now, run the index.html in web browser, it will render the Essential^® JS 2 MultiSelect component.

Binding data source

After initialization, populate the MultiSelect with data using the dataSource property. Here, an array of string values is passed to the MultiSelect component.

<!DOCTYPE html>
  <html xmlns="http://www.w3.org/1999/xhtml">
       <head>
            <title>Essential JS 2</title>
             <!-- Essential JS 2 MultiSelect's dependent material theme -->
            <link href="//cdn.syncfusion.com/ej2/ej2-base/styles/material.css" rel="stylesheet" type="text/css"/>
            <link href="//cdn.syncfusion.com/ej2/ej2-inputs/styles/material.css" rel="stylesheet" type="text/css"/>
            <link href="//cdn.syncfusion.com/ej2/ej2-dropdowns/styles/material.css" rel="stylesheet" type="text/css"/>

            <!-- Essential JS 2 all script -->
            <!-- <script src="https://cdn.syncfusion.com/ej2/dist/ej2.min.js" type="text/javascript"></script> -->

            <!-- Essential JS 2 MultiSelect's dependent scripts -->
            <script src="//cdn.syncfusion.com/ej2/ej2-base/dist/global/ej2-base.min.js" type="text/javascript"></script>
            <script src="//cdn.syncfusion.com/ej2/ej2-data/dist/global/ej2-data.min.js" type="text/javascript"></script>
            <script src="//cdn.syncfusion.com/ej2/ej2-inputs/dist/global/ej2-inputs.min.js" type="text/javascript"></script>
            <script src="//cdn.syncfusion.com/ej2/ej2-buttons/dist/global/ej2-buttons.min.js" type="text/javascript"></script>
            <script src="//cdn.syncfusion.com/ej2/ej2-lists/dist/global/ej2-lists.min.js" type="text/javascript"></script>
            <script src="//cdn.syncfusion.com/ej2/ej2-popups/dist/global/ej2-popups.min.js" type="text/javascript"></script>
            <script src="//cdn.syncfusion.com/ej2/ej2-dropdowns/dist/global/ej2-dropdowns.min.js" type="text/javascript"></script>
       </head>
       <body>
           <!-- Add the HTML <input> element  -->
             <input type="text" tabindex="1" id='select' />
            <script>
               var sportsData = ['Badminton', 'Cricket', 'Football', 'Golf', 'Tennis'];
              // initialize MultiSelect component
                var listObj = new ej.dropdowns.MultiSelect({
                    dataSource: sportsData});
                listObj.appendTo('#select');
            </script>
       </body>
  </html>

By default, the width of the popup list automatically adjusts according to the MultiSelect input element’s width, and the height auto adjust’s according to the height of the popup list items.

The height and width of the popup list can also be customized using the popupHeight and popupWidth properties respectively.

In the following sample, popup list’s width and height are configured.

index.html
<!DOCTYPE html>
  <html xmlns="http://www.w3.org/1999/xhtml">
   <head>
                
        <title>Essential JS 2</title>
         <!-- Essential JS 2 MultiSelect's dependent material theme -->
        <link href="//cdn.syncfusion.com/ej2/21.2.3/ej2-base/styles/material.css" rel="stylesheet" type="text/css"/>
        <link href="//cdn.syncfusion.com/ej2/21.2.3/ej2-inputs/styles/material.css" rel="stylesheet" type="text/css"/>
        <link href="//cdn.syncfusion.com/ej2/21.2.3/ej2-dropdowns/styles/material.css" rel="stylesheet" type="text/css"/>

        <!-- Essential JS 2 all script -->
        <!-- <script src="https://cdn.syncfusion.com/ej2/32.2.3/dist/ej2.min.js" type="text/javascript"></script> -->

        <!-- Essential JS 2 MultiSelect's dependent scripts -->
        <script src="//cdn.syncfusion.com/ej2/21.2.3/ej2-base/dist/global/ej2-base.min.js" type="text/javascript"></script>
        <script src="//cdn.syncfusion.com/ej2/21.2.3/ej2-data/dist/global/ej2-data.min.js" type="text/javascript"></script>
        <script src="//cdn.syncfusion.com/ej2/21.2.3/ej2-inputs/dist/global/ej2-inputs.min.js" type="text/javascript"></script>
        <script src="//cdn.syncfusion.com/ej2/21.2.3/ej2-buttons/dist/global/ej2-buttons.min.js" type="text/javascript"></script>
        <script src="//cdn.syncfusion.com/ej2/21.2.3/ej2-lists/dist/global/ej2-lists.min.js" type="text/javascript"></script>
        <script src="//cdn.syncfusion.com/ej2/21.2.3/ej2-popups/dist/global/ej2-popups.min.js" type="text/javascript"></script>
        <script src="//cdn.syncfusion.com/ej2/21.2.3/ej2-dropdowns/dist/global/ej2-dropdowns.min.js" type="text/javascript"></script>
   <script src="https://cdn.syncfusion.com/ej2/syncfusion-helper.js" type ="text/javascript"></script>
</head>
   <body>
       <!-- Add the HTML <input> element  -->
         <input type="text" tabindex="1" id='select' />
        <script>
           var sportsData = ['Badminton', 'Cricket', 'Football', 'Golf', 'Tennis'];
          // initialize MultiSelect component
            var listObj = new ej.dropdowns.MultiSelect({
                dataSource: sportsData,
                popupHeight: '200px',
                //set width to popup list
                popupWidth: '250px',
                // set placeholder to MultiSelect input element
                placeholder: "Select games"});
            listObj.appendTo('#select');
        </script>
   </body>
  </html>

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How can I help you?

Getting started in EJ2 JavaScript Multi select control

Dependencies

Setup for local environment

Adding Syncfusion^® resources

Using local script and style references in a HTML page

Using CDN link for script and style reference

Binding data source

See Also

How can I help you?

Getting started in EJ2 JavaScript Multi select control

Dependencies

Setup for local environment

Adding Syncfusion® resources

Using local script and style references in a HTML page

Using CDN link for script and style reference

Binding data source

Configure the popup list

See Also

Adding Syncfusion^® resources