A Dart web app has Dart, HTML, and (usually) CSS code . Compile a web app’s Dart code to JavaScript to run the app in any modern browser. An HTML file hosts your Dart code in a browser page.
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dart:html library Null safety . HTML elements and other resources for web-based applications that need to interact with the browser and the DOM (Document Object Model) . This library includes DOM element types, CSS styling, local storage, media, speech, events, and more.
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