Check browser version using Dart rather than JS? -

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is there "angular/dart" way detect older unsupported browsers , prevent continue elegant message (there plenty of examples using javascript) rather continue , show weird layout code doesn't work?

even angulardart.org/demo site should imo stop ie8 (i know, enterprise customers still have old browsers installed - , set default - legacy apps) showing content doesn't work.

angulardart.org/demo

if dart code cannot executed test has done in js. i'm not aware of library makes test.

the test should follow what browsers support javascript compilation targets?.


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