How to use WebViewer with IE9 and IE10?

To run WebViewer with IE9 or IE10 you need to use the legacy UI. WebViewer's legacy UI is only supported for version 5.2 or lower.

1. Download WebViewer version 5.2
2. Pass the ui: 'legacy' option to the WebViewer constructor.

WebViewer({
  path: '...',
  ui: 'legacy',
  // ...
}).then(function() {

});