Switch Alternate Style Sheets Dynamically

alternate-stylesheets.js is a JavaScript-based stylesheet switcher that enables users to switch between style sheets (themes) on your webpage. A typical use of the library is to enable dark mode on your website.

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How to make use of it:

1. Install and import the alternate-stylesheets.js as an ES module.

# Yarn
$ yarn add alternate-stylesheets
# NPM
$ npm i alternate-stylesheets

import * as alternateStylesheets from 'alternate-stylesheets';

2. Or load the alternate-stylesheets.js instantly within the doc.

<script defer src="alternate-stylesheets.min.js"></script>

3. Insert another stylesheet (for instance a dark theme) into the doc.

<!-- Default Stylesheet -->
<link rel="stylesheet" title="light" href="light.css" />
<!-- Alternative Stylesheet -->
<link rel="alternate stylesheet" title="dark" href="dark.css" />

4. Switch the web page to Dark Mode.

alternateStyleSheets.setAlternateStylesheet('dark');

5. Get the choice stylesheets.

const stylesheets = alternateStyleSheets.getAlternateStylesheets();

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