How to implement skeleton loading in JavaScript?

2 mins read

JavaScript Skeleton is a modern data-loading indicator that shows a preview of how the page is going to be displayed with a shimmer effect. It can be implemented by simulating a placeholder UI while data or content is being fetched. This provides a better user experience by preventing layout shifts and giving users a visual indication that content is loading. This article will guide you how to implement skeleton loading in JavaScript.

Implementing Skeleton Loading in JavaScript with Syncfusion

Syncfusion offers a variety of UI components that can be utilized to implement skeleton loading in JavaScript applications. The following steps outline a general approach to integrating skeleton loading using Syncfusion’s framework:

Step 1: Create the Skeleton Loader Component

You can create a simple skeleton loader using HTML and CSS. Below is an example of a skeleton loader for a card component.

Sample code

HTML

<div>
   <div id='skeleton'></div>
</div>

Step 2: Shape the Skeleton Loader

The Skeleton control support various built-in shape variants to design layout of the page. You can use the shape property to create a preview of any layout.

The Skeleton control supports circle, square, rectangle, text content shapes:

Sample for Circle Skeleton Shape code

import { Skeleton } from '@syncfusion/ej2-notifications';

// Initialize Skeleton control for circle shape
let circle: Skeleton = new Skeleton({
   shape: 'Circle',
   width: "48px"
});

// Render initialized Skeleton.
circle.appendTo('#circleSkeleton');

Step 3: Style the Skeleton Loader

Using CSS, you can style the skeleton loader to give it a placeholder appearance. Here’s step to step of how to style it:

Customize the style of a Skeleton
The appearance of JavaScript Skeleton can be customized by changing the wave color, background color, width, and height. For detailed information, refer the below css

CSS

import { Skeleton } from '@syncfusion/ej2-notifications';

// Initialize Skeleton control
let circle: Skeleton = new Skeleton({
   shape: 'Circle',
   width: "60px",
   cssClass: 'e-customize'
});

// Render initialized Skeleton
circle.appendTo('#circleSkeleton');

Step 4: Optimize Performance

Ensure that the skeleton loading implementation does not negatively impact the performance of your application. This may involve lazy loading components or optimizing the rendering process to maintain a smooth user experience.

Conclusion

I hope you found it helpful to learn how to how to implement skeleton loading in JavaScript.

You can refer to our JavaScript Skeleton feature tour page to know about its other groundbreaking feature representations and documentation, and how to quickly get started for configuration specifications. You can also explore our JavaScript Skeleton example to understand how to create and manipulate data.

For current customers, you can check out our components from the License and Downloads page. If you are new to Syncfusion, you can try our 30-day free trial to check out our other controls.

If you have any queries or require clarifications, please let us know in the comments section below. You can also contact us through our support forums, Direct-Trac, or feedback portal. We are always happy to assist you!

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