Dark Mode Switch with HTML, CSS, JavaScript

Опубликовано: 22 Май 2026
на канале: Asmr Scripting
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In this beginner-friendly tutorial, you'll learn how to implement a dark and light mode switch for your website using HTML, CSS, and JavaScript. You'll also discover how to save the user's theme preference in the browser with JavaScript's localStorage, ensuring that the selected mode is remembered on their next visit.

What You'll Learn:
CSS Dark Mode: Use CSS custom properties (variables) to design a dark mode for your website.
CSS Dark Mode Switch: Create a toggle switch to switch between dark and light modes using HTML, CSS, and JavaScript.
Change Dark Mode Icon: Learn to change the icon on the switch button, using a moon icon for dark mode and a sun icon for light mode.
Save Dark Mode Preference: Save the user's theme choice in the browser using JavaScript and localStorage, so the theme is remembered on their next visit.

Key Points:
CSS Dark Mode & Light Mode
JavaScript dark mode switch
HTML, CSS, JavaScript dark mode button
Moon icon, sun icon
Switch images/icons on click
Save theme preference in the browser
Store dark mode state in localStorage
Remember the user's theme choice for future visits
Practical Examples:
Implement a dark mode option for your website using HTML, CSS, and JavaScript with localStorage.
Topics Covered:
HTML, CSS, JavaScript
Dark Mode, Light Mode
CSS Variables, Custom Properties
JavaScript localStorage
Theme switching, Icon changing