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Getting started in EJ2 JavaScript Rating control

10 Feb 202612 minutes to read

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

Dependencies

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

|-- @syncfusion/ej2-inputs
    |-- @syncfusion/ej2-base
    |-- @syncfusion/ej2-popups

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 Rating control.

Adding Syncfusion^® resources

The Essential^® JS 2 Rating 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 quickstart for getting started.

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

Syntax:

Dependency Script: **(installed location)**\Syncfusion\Essential Studio\JavaScript - EJ2\{RELEASE_VERSION}\Web (Essential JS 2)\JavaScript\{DEPENDENCY_PACKAGE_NAME}\dist\global\{DEPENDENCY_PACKAGE_NAME}.min.js

Control Script: **(installed location)**\Syncfusion\Essential Studio\JavaScript - EJ2\{RELEASE_VERSION}\Web (Essential JS 2)\JavaScript\{PACKAGE_NAME}\dist\global\{PACKAGE_NAME}.min.js

Dependency Styles: **(installed location)**\Syncfusion\Essential Studio\JavaScript - EJ2\{RELEASE_VERSION}\Web (Essential JS 2)\JavaScript\{DEPENDENCY_PACKAGE_NAME}\styles\material.css

Control Styles: **(installed location)**\Syncfusion\Essential Studio\JavaScript - EJ2\{RELEASE_VERSION}\Web (Essential JS 2)\JavaScript\{PACKAGE_NAME}\styles\material.css

Example:

Dependency Script: C:\Program Files (x86)\Syncfusion\Essential Studio\JavaScript - EJ2\16.3.0.17\Web (Essential JS 2)\JavaScript\ej2-base\dist\global\ej2-base.min.js

Control Script: C:\Program Files (x86)\Syncfusion\Essential Studio\JavaScript - EJ2\16.3.0.17\Web (Essential JS 2)\JavaScript\ej2-inputs\dist\global\ej2-inputs.min.js

Dependency Styles: C:\Program Files (x86)\Syncfusion\Essential Studio\JavaScript - EJ2\16.3.0.17\Web (Essential JS 2)\JavaScript\ej2-base\styles\material.css

Control Styles: C:\Program Files (x86)\Syncfusion\Essential Studio\JavaScript - EJ2\16.3.0.17\Web (Essential JS 2)\JavaScript\ej2-inputs\styles\material.css

The below located script and style file contains all Syncfusion^® JavaScript (ES5) UI control resources in a single file.

Scripts: **(installed location)**\Syncfusion\Essential Studio\JavaScript - EJ2\{RELEASE_VERSION}\Web (Essential JS 2)\JavaScript\ej2\dist\ej2.min.js

Styles: **(installed location)**\Syncfusion\Essential Studio\JavaScript - EJ2\{RELEASE_VERSION}\Web (Essential JS 2)\JavaScript\ej2\material.css

The Custom Resource Generator (CRG) is an online web tool, which can be used to generate the custom script and styles for a set of specific controls. This web tool is useful to combine the required control scripts and styles in a single file.

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

Step 4: Create a HTML page (index.html) in ~/quickstart/index.html location and add the Essential^® JS 2 script and style references.

<!DOCTYPE html>
  <html xmlns="http://www.w3.org/1999/xhtml">
       <head>
            <title>JavaScript (ES5)</title>
            <!-- JavaScript (ES5) Rating's dependency style -->
            <link href="resources/base/material.css" rel="stylesheet" type="text/css"/>
            <link href="resources/popups/material.css" rel="stylesheet" type="text/css"/>

            <!-- JavaScript (ES5) Rating's control style -->
            <link href="resources/inputs/material.css" rel="stylesheet" type="text/css"/>

            <!-- JavaScript (ES5) Rating's dependency global script -->
            <script src="resources/base/ej2-base.min.js" type="text/javascript"></script>
            <script src="resources/popups/ej2-popups.min.js" type="text/javascript"></script>

            <!-- JavaScript (ES5) Rating's control global script -->
            <script src="resources/inputs/ej2-inputs.min.js" type="text/javascript"></script>
       </head>
       <body>
       </body>
  </html>

Step 5: Now, add the Rating element and initialize the JavaScript (ES5) Rating control in the index.html as shown below

[src/index.html]

<!DOCTYPE html>
  <html xmlns="http://www.w3.org/1999/xhtml">
       <head>
            <title>JavaScript (ES5)</title>
            <!-- JavaScript (ES5) Rating's dependency style -->
            <link href="resources/base/material.css" rel="stylesheet" type="text/css"/>
            <link href="resources/popups/material.css" rel="stylesheet" type="text/css"/>

            <!-- JavaScript (ES5) Rating's control style -->
            <link href="resources/inputs/material.css" rel="stylesheet" type="text/css"/>

            <!-- JavaScript (ES5) Rating's dependency global script -->
            <script src="resources/base/ej2-base.min.js" type="text/javascript"></script>
            <script src="resources/popups/ej2-popups.min.js" type="text/javascript"></script>

            <!-- JavaScript (ES5) Rating's control global script -->
            <script src="resources/inputs/ej2-inputs.min.js" type="text/javascript"></script>
       </head>
       <body>
            <!-- Add the HTML <input> element  -->
            <div class='wrap'>
               <input id="rating"/>
            </div>
            <script>
                // initialize Rating control
                var Rating = new ej.inputs.Rating({}, "#rating");
            </script>
       </body>
  </html>

Step 6: Now, run the index.html in web browser, it will render the Syncfusion^® JavaScript (ES5) Rating control.

Using CDN link for script and style reference

Step 1: Create an app folder quickstart for getting started.

Step 2: The JavaScript (ES5) control’s global scripts and styles are already hosted in the below CDN link formats.

Syntax:

Dependency Script: https://cdn.syncfusion.com/ej2/{DEPENDENCY_PACKAGE_NAME}/dist/global/{PACKAGE_NAME}.min.js

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

Dependency Styles: https://cdn.syncfusion.com/ej2/{DEPENDENCY_PACKAGE_NAME}/styles/material.css

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

Example:

Script: https://cdn.syncfusion.com/ej2/ej2-inputs/dist/global/ej2-inputs.min.js

Styles: https://cdn.syncfusion.com/ej2/ej2-inputs/styles/material.css

Step 3: Create a HTML page (index.html) in ~/quickstart/index.html location and add the CDN link references. Now, add the Rating element and initiate the JavaScript (ES5) Rating control in the index.html by using following code.

index.html
styles.css
<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">

<head>
  <script src="https://cdn.syncfusion.com/ej2/syncfusion-helper.js"></script>
  <title>JavaScript (ES5)</title>
  <!-- JavaScript (ES5) Rating's dependency style -->
  <link href="https://cdn.syncfusion.com/ej2/32.2.3/ej2-base/styles/material.css" rel="stylesheet" type="text/css" />
  <link href="https://cdn.syncfusion.com/ej2/32.2.3/ej2-popups/styles/material.css" rel="stylesheet" type="text/css" />

  <!-- JavaScript (ES5) Rating's control style -->
  <link href="https://cdn.syncfusion.com/ej2/32.2.3/ej2-inputs/styles/material.css" rel="stylesheet" type="text/css" />

  <!-- JavaScript (ES5) Rating's dependency global script -->
  <script src="https://cdn.syncfusion.com/ej2/32.2.3/ej2-base/dist/global/ej2-base.min.js" type="text/javascript"></script>
  <script src="https://cdn.syncfusion.com/ej2/32.2.3/ej2-popups/dist/global/ej2-popups.min.js" type="text/javascript"></script>

  <!-- JavaScript (ES5) Rating's control global script -->
  <script src="https://cdn.syncfusion.com/ej2/32.2.3/ej2-inputs/dist/global/ej2-inputs.min.js" type="text/javascript"></script>

  <!--style reference from app-->
  <link href="index.css" rel="stylesheet" />
<script src="https://cdn.syncfusion.com/ej2/syncfusion-helper.js" type ="text/javascript"></script>
</head>

<body>
  <!--Element to render the Rating control-->
  <div class='wrap' style="margin: 50px auto; text-align: center;">
    <input id="rating" />
  </div>
  <script>
    ej.base.enableRipple(true);

    // initialize Rating control
    var rating = new ej.inputs.Rating({});

    // Render initialized Rating.
    rating.appendTo('#rating');
  </script>
  <script>
    var ele = document.getElementById('container');
    if (ele) {
      ele.style.visibility = "visible";
    }   
  </script>
</body>

</html>
#container {
    visibility: hidden;
    padding-left: 5%;
    width: 100%;
  }
  #loader {
    color: #008cff;
    font-family: 'Helvetica Neue','calibiri';
    font-size: 14px;
    height: 40px;
    left: 45%;
    position: absolute;
    top: 45%;
    width: 30%;
  }

  .wrap {
    margin: 50px auto;
    text-align: center;
  }

Step 4: Run the index.html in a web browser to render the Syncfusion^® JavaScript Rating control.

Value

You can set the rating value by using the value property.

index.js
index.html
styles.css
ej.base.enableRipple(true);

// Initialize the Rating control.
var rating = new ej.inputs.Rating({value:3.0});

// Render initialized Rating.
rating.appendTo('#rating');
<!DOCTYPE html><html lang="en"><head>
    <title>EJ2 Rating</title>
    <meta charset="utf-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta name="description" content="TypeScript Rating Component">
    <meta name="author" content="Syncfusion">
    <link href="styles.css" rel="stylesheet">
    <link href="https://cdn.syncfusion.com/ej2/32.2.3/ej2-base/styles/material.css" rel="stylesheet">
    <link href="https://cdn.syncfusion.com/ej2/32.2.3/ej2-buttons/styles/material.css" rel="stylesheet">
    <link href="https://cdn.syncfusion.com/ej2/32.2.3/ej2-popups/styles/material.css" rel="stylesheet">
    <link href="https://cdn.syncfusion.com/ej2/32.2.3/ej2-inputs/styles/material.css" rel="stylesheet">
    
    
<script src="https://cdn.syncfusion.com/ej2/32.2.3/dist/ej2.min.js" type="text/javascript"></script>
<script src="https://cdn.syncfusion.com/ej2/syncfusion-helper.js" type ="text/javascript"></script>
</head>
<body>
    
    <div id="container">
        <div class="wrap">
            <input id="rating">
        </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>
#container {
    visibility: hidden;
}

#loader {
  color: #008cff;
  font-family: 'Helvetica Neue','calibiri';
  font-size: 14px;
  height: 40px;
  left: 45%;
  position: absolute;
  top: 45%;
  width: 30%;
}

.wrap {
  margin: 50px auto;
  text-align: center;
}

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How can I help you?

Getting started in EJ2 JavaScript Rating 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

Value

How can I help you?

Getting started in EJ2 JavaScript Rating 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

Value

Adding Syncfusion^® resources