Fluzter Web Load HTML

import 'dart:ui' as ui;
import 'dart:html';



ui.platformViewRegistry.registerViewFactory(
    'test-view-type',
    (int viewId) => IFrameElement()
      ..width = '640'
      ..height = '360'
      ..src = "https://www.youtube.com/embed/5VbAwhBBHsg"
      ..style.border = 'none');

//just an example if you know how to code then change then feel free to change the values 
abd pro