Posts in category: "javascript"

Understanding the Virtual DOM

I’ve recently been writing about what exactly the DOM and the shadow DOM are and how they differ. To recap, the Document Object Model is an object-based representation of an HTML document and an interface to manipulating that object. The shadow DOM can be thought of as a “lite”...

Handling broken images with the service worker

A few years ago, I wrote about how we can use css to style broken images. The technique leveraged on the fact that any styling to the ::before or ::after pseudo-elements on the <img> element will only be applied if the image doesn’t load. So, we could...

A one-line solution to highlighting search matches

I’ve recently been making some improvements to the search page of this blog, and wanted to implement a feature where the search term was highlighted everywhere it appeared in the results. Although libraries for this exist, I wanted to try to implement it myself as it seemed like an...

Cache API 101

A cache is a form of storage for “requests” and “responses”. When you visited this page, you made a request for /cache-api-101. The response to that request was the HTML document you are viewing in your browser right now. The cache API allows us to store these requests and responses...

Going Offline First (Video Series)

You may have noticed that I recently updated this blog to allow for users like yourself to save an article to view offline. You can do this by clicking the bookmark icon above. If you are ever offline, you will still be able to view articles previously bookmarked. If you...