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Having the full power of the JIT compiler available is really cool - but sometimes you might still need to write custom CSS and access any Tailwind CSS classes.įor example, in order to use one of the Tailwind CSS colors for the ::selection pseudo element, you need to use the syntax. The CDN JavaScript will parse any tag that it finds and uses it for the generation of the Tailwind CSS output.

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TailwindCSS JIT CDN custom config by Beyond Code ( CodePen. You can specify a custom Tailwind CSS configuration that you want to use on your site. If you think that this is already amazing, that's still not all that the new Tailwind CSS JIT CDN can do. More control with a custom Tailwind configuration
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The Tailwind CSS JIT CDN uses a MutationObserver, that means that you can add classes via the browser developer tools and the CSS gets an update dynamically. 🤯 All you need to do is adding the CDN JavaScript and it will take care of everything automatically – all Tailwind classes get parsed on the fly. TailwindCSS JIT CDN by Beyond Code ( CodePen. Back to the CDN versionĪlright, we've covered what the JIT mode is and what it does, lets see how we can use it using the Tailwind CSS JIT CDN: The combination of responsive variants with arbitrary values makes this incredibly powerful. The JIT mode can dynamically create Tailwind classes that combine existing helpers with arbitrary values and this lokk like this: If you have an element on your website that needs some absolute positioning – but also needs to be pixel perfect. You no longer need to define them manually, but the JIT compiler detects and dynamically adds them to the resulting CSS file – magic.Ī brilliant feature of the JIT mode is the ability to use Tailwind CSS helpers in combination with arbitrary values. This gives you the ability to go completely wild with Tailwind CSS variants. The JIT (just-in-time) compiler watches your HTML files and only creates the CSS classes for the helpers that you use in your code – already during development! The new Tailwind CSS JIT compiler is the main idea that drives the new feature. Of course, we don't want to deploy such a big CSS file when our website is ready to go live and so we use PurgeCSS to remove all CSS definitions for all Tailwind CSS classes that we don't use. When you write HTML with Tailwind CSS classes during development, Tailwind takes your file and then generates a big fat CSS file that contains all possible colors and responsive helpers for all the configured variants. What is Tailwind CSS JIT?īefore we dive into the details of this CDN version, lets talk about the new JIT compiler that the Tailwind CSS team introduced lately. It is also fully open source and you can find it on GitHub. No HTML is sent to a server to generate the CSS. Of course all of the processing happens on the client side. Paste the CDN URL in your code and you're ready to go – pretty much like using the existing Tailwind CSS CDN. This version runs entirely in the browser and does not require any additional build tools or setup. Let me introduce the Tailwind CSS JIT CDN version. Instead of doing this, I want to have the full Tailwind CSS JIT experience available right in my browser.
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Most of the time, those downsides don't matter that much – but I regularly run into a couple of situations where I want to either customize a color, use additional variants or install a third-party plugin.Īlright – this is the moment where most developers install Tailwind into their Webpack build process and get angry about node_modules, PostCSS and whatnot.

I can try out multiple designs without having to worry about Webpack or Node.

When hacking on a new Tailwind CSS site, I mostly use the Tailwind CSS CDN version. This is why we created the DevTools for Tailwind CSS.
