JavaScript How to Inject javascript in an iframe loaded by UIWebView - iOS inject javascript iframe cross domain,inject javascript iframe,inject js

I am listening to this delegate method on UIWebView:

- (void)webViewDidFinishLoad:(UIWebView *)aWebView

On which, I apply some javascript using

[aWebView stringByEvaluatingJavaScriptFromString:myscript];

Whereas the delegate method is appropriate to listen to the end of an iframe request, it seems that my js does not apply on the iframe. It applies to the main document of the uiwebview.

Is there a way to do that : How can I inject js on iframes on a iOS UIWebView object ?

Thanks for any advice.

Answer:1

The issue is in your JS. You can run operations on your iframe object just fine, in the "myscript" from your question, you will need to run your JS commands on the

document.getElementsByTagName('iframe')[0].contentWindow

object. Or, if you are not referring to the first iframe in your UIWebView, use another selector to refer to the iframe you are attempting to refer to.

Answer:2

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