A polyfill for the HTML switch element

Author photo, several toggle switches with different color, and code snippets around the headline “input type=checkbox switch polyfill”.

A polyfill for the HTML switch element. Thomas Steiner shares a polyfill, bringing near-native <input type="checkbox" switch> to browsers beyond Safari, with accessibility mapping, high-contrast tweaks, and FOUC-safe loading.

blog.tomayac.com/2026/01/12/a-polyfill-for-the-html-switch-element