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Exception on adding script using EvalScript Options
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khurram.saddique
Posted: Tuesday, December 14, 2021 9:09:09 AM
Rank: Newbie
Groups: Member

Joined: 7/31/2017
Posts: 2
Hi,
My project was working fine unit i upgraded EO.WebBrowser v20.3.63 to EO.WebBrowser v21.3.18. I'am facing an exception when running this code.
Code: C# 

    




// script is jquery.min.js content string.
               WebView.WebView.EvalScript(script);

the exception i returned is:

line 3, col 3694 - 3695: Uncaught TypeError: Failed to set the 'innerHTML' property on 'Element': This document requires 'TrustedHTML' assignment.

Can you guide me how to rectify the problem.
		

			




	
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		eo_support
	

	
		

		

			
				Posted: 
				Tuesday, December 14, 2021 10:08:39 AM
			
			
				
				
				
				
			
		

		

			




	
		Rank: Administration
Groups: Administration




Joined: 5/27/2007
Posts: 24,217

			
		   
	    

		    Hi,

This is because the author of the page has specified a content security policy that requires trusted types. Older browser engine does not support this policy so it is ignored. However newer browser engine supports and would enforce this policy thus causing your JavaScript code to fail. You can see more details about this policy and possible remedies here:

https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Content-Security-Policy/require-trusted-types-for

Thanks!
		

			




	
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