<script> tags in the same HTML page all exists within a single namespace; objects and variables referenced by one script can be modified by any other. Dart doesn't allow this; each script has full control over its own state.
Will you use Dart?
This article, "Google Dart hits a bull's-eye for Web developers," originally appeared at InfoWorld.com. Read more of Neil McAllister's Fatal Exception blog and follow the latest news in programming at InfoWorld.com. For the latest business technology news, follow InfoWorld.com on Twitter.