YourBrowserSucks.js.
This library allows you to gracefully inform your site visitors if their browser is outdated. It is a quick and dirty library to include in every web-page that tests the browser. If the tests do not pass the web-page will be overridded by YourBrowserSucks web-page. Something similar to this ▾
Tests
To check if your browser is good or a badass YourBrowserSucks checks if supports some CSS3 properties, if some JS element are usable, if WebGL and LocalSotrage are present and other few things like ´const´ and ´let´.
What if your browser sucks..?
Four links will be provided to download your favorite browser latest release. Only chrome will be suggested if you are on mobile.
Authors and Contributors
It is manteined by me @Naramsim. Fork the repo and create pull requests whenever, wherever, however you want.