Import Javascript/Css... using Dart
await loadScript("https://code.jquery.com/jquery-3.2.1.min.js");
await loadLink("https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0-beta.2/css/bootstrap.min.css");
await loadInlineStyle('''
body {
color: red;
}
''');It will add following element to dom.
<script type="text/javascript" async="" src="https://code.jquery.com/jquery-3.2.1.min.js"></script>
<link type="text/css" rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0-beta.2/css/bootstrap.min.css">
<style> body {
color: red;
}
</style>All function return future with element when link is valid or throw an error when invalid.