How to use sandbox attribute value (allow-modals ) with < iframe > tag in HTML ? with example

 How to use sandbox attribute value (allow-modals ) with < iframe >  tag in HTML ? with example 



allow-modals helps to Allows to 

open modal windows with iframe in HTML.


Example

<body>

<iframe src="sandboxdemo.html" 

sandbox="allow-modals">

</iframe>

</body>

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