Programming Language Jam - What's It?

Thees te lang jam is the gethub repository to git. Wangt, tell us a bit more about dart and maybe give us an overee of language that. Don't think we've really ever discussed dart before. Em, so what is the elevator pitch for it? It's a multi platform, client side u i application language. And like execution performance. U, because you don't control the hardware that the code is running on,. It's running on some user's device, a phone in their hands, or something else.