Iframe

It’s October 2018 so I should probably write something about React 16.5, Angular 7.0 or Blazor 0.6… But… How about some fun with iframe-infested legacy application instead? ;)

Suppose that you need to execute a block of code when iframe’s content is loaded. In case when iframe is created statically in HTML markup, the solution is really simple. All you have to do is to connect some JavaScript function with load event: