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Getting started in EJ2 TypeScript Progress Bar Component

10 Feb 20265 minutes to read

This section explains the steps required to create a Progress Bar component using TypeScript and configure its properties with Essential® JS 2. A Progress Bar visually represents the completion status of a task or process, making it useful for tracking file uploads, data processing, installations, and other long-running operations. This guide uses the quickstart seed repository.

This application is integrated with the webpack.config.js configuration and uses the latest version of the webpack-cli. It requires node v14.15.0 or higher. For more information about webpack and its features, refer to the webpack documentation.

Dependencies

The following list of dependencies are required to use the Progress Bar component in your application:

|-- @syncfusion/ej2-progressbar
    |-- @syncfusion/ej2-base
    |-- @syncfusion/ej2-data: "*"
    |-- @syncfusion/ej2-svg-base

Set up development environment

Open the command prompt from the required directory, and run the following command to clone the Syncfusion® JavaScript (Essential® JS 2) quickstart project from GitHub.

git clone https://github.com/SyncfusionExamples/ej2-quickstart-webpack ej2-quickstart

After cloning the application in the ej2-quickstart folder, run the following command line to navigate to the ej2-quickstart folder.

cd ej2-quickstart

Add Syncfusion® JavaScript packages

Syncfusion® JavaScript (Essential® JS 2) packages are available on the npmjs.com public registry. You can install all Syncfusion® JavaScript (Essential® JS 2) controls in a single @syncfusion/ej2 package or individual packages for each component.

The quickstart application is preconfigured with the dependent @syncfusion/ej2 package in the ~/package.json file. Use the following command to install the dependent npm packages from the command prompt.

npm install

Add Progress Bar to the Application

  • Add an HTML div tag with its id attribute as element in your index.html file to initialize the Progress Bar component.

[src/index.html]

<!DOCTYPE html>
<html lang="en">

<head>
<title>Essential JS 2 Progress Bar</title>
<meta charset="utf-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0, user-scalable=no" />
<meta name="description" content="Essential JS 2" />
<meta name="author" content="Syncfusion" />
<link rel="shortcut icon" href="resources/favicon.ico" />
<link href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css" rel="stylesheet" />
</head>

<body>
<!--element which is going to render-->
<div id="element"></div>
</body>

</html>
  • Import the Progress Bar component to your app.ts file to instantiate a Progress Bar and append the instance to the #element container as shown.

[src/app/app.ts]

import { ProgressBar } from '@syncfusion/ej2-progressbar';

// Initialize Progress Bar component
let progressBar: ProgressBar = new ProgressBar({
      value: 40
});

// Render initialized Progress Bar
progressBar.appendTo('#element');

Run the application

  • Run the application using the following command. This starts the webpack development server and opens the application in your default browser.
npm start

Output will be as follows:

In the example, the #element is the id of the HTML element in a page to which the Progress Bar is initialized.

import { ProgressBar } from '@syncfusion/ej2-progressbar';

    let percentageProgress: ProgressBar = new ProgressBar({
        type: 'Linear',
        height: '60',
        value: 40,
        animation: {
            enable: true,
            duration: 2000,
            delay: 0,
        },
    });
    percentageProgress.appendTo('#percentage');
<!DOCTYPE html>
<html lang="en">

<head>
    <title>Essential JS 2 Toast</title>
    <meta charset="utf-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <meta name="description" content="Typescript Toolbar Controls" />
    <meta name="author" content="Syncfusion" />
    <link href="index.css" rel="stylesheet" />
    <link href="https://cdn.syncfusion.com/ej2/32.2.3/material.css" rel="stylesheet" />
    <script src="https://cdnjs.cloudflare.com/ajax/libs/systemjs/0.19.38/system.js"></script>
    <script src="systemjs.config.js"></script>
<script src="https://cdn.syncfusion.com/ej2/syncfusion-helper.js" type ="text/javascript"></script>
</head>

<body>
    <div id='loader'>LOADING....</div>
    <div id='container'>
        <div class="row linear-parent">
            <div id="percentage"></div>     
       </div>
    </div>
</body>

</html>