This JavaScript library helps you to extract the source content of an iframe.
You can use this library on default mode just downloading this code and executing the index.html file, after that you can insert your iframe code on the input.
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You can download or clone this repository and copy just the script file:
js/index.js. -
After that, add the script on your code calling it after the main
htmlcode and before the closing</body>, example:<script src="youtpath/js/index.js"></script> -
Add the
data-actionattribute on your input element, example:<input type="text" data-action="get-iframe-src" />
Enjoy it!