 ``` SCRIPT1002: Syntax error dialog-polyfill (159,58) SCRIPT5007: Unable to get property 'toString' of undefined or null reference dialog-polyfill (117,3) ``` This is referring to issues in the html file for the demo site, not the library. https://github.com/GoogleChrome/dialog-polyfill/blob/5033aac1b74c44f36cde47be3d11f4756f3f8fda/index.html#L159 IE11 doesn't support arrow functions https://caniuse.com/?search=arrow%20function https://github.com/GoogleChrome/dialog-polyfill/blob/5033aac1b74c44f36cde47be3d11f4756f3f8fda/index.html#L117 event.error is undefined
This is referring to issues in the html file for the demo site, not the library.
dialog-polyfill/index.html
Line 159 in 5033aac
IE11 doesn't support arrow functions https://caniuse.com/?search=arrow%20function
dialog-polyfill/index.html
Line 117 in 5033aac
event.error is undefined