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How to cache an image in JavaScript?

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Sometimes, we want to cache an image in JavaScript.

In this article, we’ll look at how to cache an image in JavaScript.

How to cache an image in JavaScript?

To cache an image in JavaScript, we can use the lazysizes library.

For instance, we write

<script src="lazysizes.min.js" async></script>

to add the script tag for the library.

Then we add

<img data-src="images/flower3.png" class="lazyload" alt="" />

to add an img element with the lazyload class.

This will make the lazysizes library cache the image when loaded.

Conclusion

To cache an image in JavaScript, we can use the lazysizes library.

By John Au-Yeung

Web developer specializing in React, Vue, and front end development.

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