light-theme class inside of that we can use to override the dark mode properties, should the user want to toggle between the two modes.Windows settings you can sync in Windows 10Ĭommand prompt: Your command prompt defaults, such as its size, position, and transparency. The idea is to define the custom properties for both themes like we did before, wrap dark styles up in the prefers-color-scheme media query, then define a. Let’s use the CSS custom properties approach to demonstrate how to do this. That’s why providing a way to manually override dark mode, despite the system settings, is a good idea. But what if users want to override their system preference for a site? Just because a user prefers dark mode for their OS doesn’t always mean they prefer it on a website. We just looked at how to account for a user’s system-wide color scheme preferences. There may even be other possible methods than what we have discussed. Sometimes a combination of methods will be the most effective route. Moreover, there’s nothing saying we can only use one method. On the other hand, if your project needs to support legacy browsers, then another approach will need to do instead. If you are doing a large project, for example, you might go with CSS properties to help wrangle a large codebase. The “right” method comes down to the requirements of your project. But a server-side solution like this is useful in persisting the user’s theme choice across page reloads, as we will see later. This method has an obvious downside: the page needs to be refreshed for the toggle to take place.
I am using a GET request (URL params) for the purpose of this demonstration.Īnd, yes, we can swap stylesheets just like we did in the second method. Then, we let our code (PHP in this case) apply the appropriate body class when the page is reloaded. We can have the user send a GET or POST request. This is a great approach if you prefer working directly in the markup.
If we’re already working with a server-side language, say PHP, then we can use it instead of JavaScript. Here’s a script for a button that will toggle that class, for example: // Select the buttonĬonst btn = document.querySelector('.btn-toggle') ītn.addEventListener('click', function(). The trick here is to swap out a class that can be a hook for changing a style anywhere on the page.
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