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#Html dark mode switch code
#Html dark mode switch download

Next we will add some CSS styling for the dark mode. Outline:none /* Not ideal for accessibility */īox-shadow: inset 1px 1px 3px 0 rgb(0 0 0 / 40%) īox-shadow: 1px 1px 2px 0 rgb(0 0 0 / 40%)

You can can include the CSS as an external css document (and link to it in the head), or simple place it inline in the head immediately before the closing head tag between like so: Next we will add some CSS styles for the button element. Var app = document.getElementsByTagName("BODY")

#Html dark mode switch code

Place this code immediately before the closing body tag: I find this method offers a bit more flexibility, particularly when using tools such Codepen where it is not straightforward to include an id or class on the body element. You could just refer to the body tag directly. I also use a particular method where I create a variable for the body tag which I call ‘app’. For more information on data attributes checkout this link. Please note: In this example I decided to use a custom data attribute that I named ‘light-mode’ however you could simply toggle css classes if you prefer.

If the lightMode variable = ‘dark’ it sets it to ‘light’ and sets the custom light-mode attribute of the body to light.

Next add the Javascript that will handle the toggling function immediately before the closing body tag. You will also notice that my button includes only two span elements which will be used to create the two button components, the toggle button background and the toggle button circular switch. I’ve also included the meta viewport tag because this is generally a must have for any webpage to scale appropriately on mobile devices. Note, I have included the content in a ‘container’ div which is only used to center the content on the page. The variable is checked the next time the page loads (or another page in the site) and the CSS styling is applied accordingly.įirst will create a basic webpage with the core html elements: In this example the data is stored locally in the browser using localStorage.

I’ve also included another basic version that has a really small toggle button only in the top right of the window.

#Html dark mode switch download

If you simply want to download the code you could right click on the link and select to save the source code to your computer. Using HTML and CSS as much as possible to code dividers and separators will allow them to also switch colors to stay consistent with the design. You will see that your selection is stored and applied when the page loads. Click the button to toggle between dark and light mode for this page. Try clicking the toggle button and reloading the page. Switch between dark and light mode with CSS and JavaScript.