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States in JavaScript ProgressBar control

Visualize progress in different states.

Determinate

This is the default state. You can use it when the progress estimation is known.

Source
Preview
index.ts
index.html
import { ProgressBar } from '@syncfusion/ej2-progressbar';

    let percentageProgress: ProgressBar = new ProgressBar({
        type: 'Linear',
        height: '60',
        value: 100,
    });
    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="//cdn.syncfusion.com/ej2/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>
</head>

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

</html>

Indeterminate

By enabling the IsIndeterminate property, the state of the progress bar can be changed to indeterminate when the progress cannot be estimated or is not being calculated. It can be combined with determinate mode to know that the application is estimating progress before the actual progress starts.

Source
Preview
index.ts
index.html
import { ProgressBar } from '@syncfusion/ej2-progressbar';
    let percentageProgress: ProgressBar = new ProgressBar({
        type: 'Linear',
        height: '60',
        isIndeterminate: true,
        value: 20,
        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="//cdn.syncfusion.com/ej2/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>
</head>

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

</html>

Buffer

You can use a secondary progress indicator when the primary progress depends on the secondary progress. This will allow users to visualize both primary and secondary progress simultaneously.

Source
Preview
index.ts
index.html
import { ProgressBar } from '@syncfusion/ej2-progressbar';

    let percentageProgress: ProgressBar = new ProgressBar({
        type: 'Linear',
        height: '60',
        value: 40,
        secondaryProgress: 60,
        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="//cdn.syncfusion.com/ej2/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>
</head>

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

</html>