Скачать или смотреть How to Set the Background Colour of an Image to Black While Loading

Learn how to make the background of an image black during loading times with simple CSS techniques in this guide.
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This video is based on the question https://stackoverflow.com/q/68969609/ asked by the user 'user173819' ( https://stackoverflow.com/u/14948460/ ) and on the answer https://stackoverflow.com/a/68969672/ provided by the user 'U-33' ( https://stackoverflow.com/u/16116202/ ) at 'Stack Overflow' website. Thanks to these great users and Stackexchange community for their contributions.

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How to Set the Background Colour of an Image to Black While Loading

When building a website, user experience is crucial. A common issue many web developers face is displaying a clear and visually appealing placeholder for images while they are loading. If you're using images that can take time to fully load—especially when users have slower internet connections—a black background can be a stylish way to enhance aesthetics during this waiting period. Here’s how you can achieve that easily with HTML and CSS.

Problem Statement

You may have encountered instances where an image takes too long to load, leaving users with a blank white space where the image should be. To solve this, developers often look for ways to provide a visual cue, such as a background color, while waiting for the image to fully render.

Example Scenario

Imagine you have the following HTML structure for an image:

[[See Video to Reveal this Text or Code Snippet]]

You're wondering if it’s possible to apply a black background while the image loads. The basic idea is to assign a class to your image and use CSS to set the background color.

Solution Approach

Step 1: Wrap Your Image in a Div

To effectively set a background color that shows while the image is loading, the best approach is to wrap your <img> tag inside a <div>. This allows you to style the div, enabling a background color to display. Your updated HTML should look like this:

[[See Video to Reveal this Text or Code Snippet]]

Step 2: Apply CSS Styles

Next, you need to ensure the <div> covers the image appropriately. To accomplish this, you can add CSS styling. Here’s how to do it:

[[See Video to Reveal this Text or Code Snippet]]

Complete Code Example

Combining what we've discussed, your complete code should look like this:

[[See Video to Reveal this Text or Code Snippet]]

Step 3: Testing Without Background Properties

If you want to see how the image behaves without the background properties, you can remove them. Here's how that would look:

[[See Video to Reveal this Text or Code Snippet]]

Conclusion

By following these steps, you can significantly improve how images load on your website. Setting a black background while an image loads not only makes your webpage look more polished but also keeps your users engaged during loading times. Implement this small change, and you will notice a difference in the overall user experience of your website. Happy coding!