4 posts tagged with "javascript"

In this post, we'll cover what the useRef hook is, some examples of how it can be used, and when it shouldn't be used.

What is useRef?​

The useRef hook creates a reference object that holds a mutable value, stored in its current property. This value can be anything from a DOM element to a plain object. Unlike component state via say the useState hook, changes to a reference object via useRef won't trigger a re-render of your component, improving performance.

I recently got to hang with the creator of Valibot, Fabian Hiller on a live stream. We discussed its history of the project and did some live coding with Valibot. Let’s dig in.

Middleware exists in several frameworks like Next.js, Express, Hono and Fresh, and not just in JavaScript land. You can find it in frameworks like ASP.NET core in the .NET ecosystem, or Laravel in PHP. Since I mainly work in JavaScript and TypeScript these days, examples will be from frameworks in those ecosystems.

All the major browsers now support the <dialog%gt; element. Why add this HTML element? User land code, code that developers write to fill in gaps of the browser, was doing similar things repeatedly, especially around focus trapping, and browser engines responded by adding this functionality directly in the browser.