Edit this page

up.framework up.framework.isSupported()
JavaScript function

Returns whether Unpoly can boot in the current browser.

If this returns false Unpoly will prevent itself from booting and will not compile the initial page. This leaves you with a classic server-side application.

Browser support

Unpoly aims to supports all modern browsers.

Chrome, Firefox, Edge, Safari

Full support.

Internet Explorer 11

Full support with a Promise polyfill like es6-promise (2.4 KB).
Support may be removed when Microsoft retires IE11 in June 2022.

Internet Explorer 10 or lower

Unpoly will not boot or run compilers, leaving you with a classic server-side application.

This website uses cookies to improve usability and analyze traffic.
I accept or learn more