[FIXED] Sandbox attribute does not support “allow-popups-to-escape-sandbox”

Sandbox attribute does not support "allow-popups-to-escape-sandbox"

Are you getting issues like Sandbox attribute does not support “allow-popups-to-escape-sandbox” flag ? 

The Microsoft sandbox attribute enables the extra set of restrictions for the content in the frame. Call at the Microsoft Tech Support Number

Countries  Toll-Free Number
Microsoft customer service 1-800 – USA  800-864-4162
Microsoft customer service phone number 1800 – United Kingdom  02 0786 26337
Microsoft customer service Australia  0384004575
Microsoft support telephone number Canada  800-864-4162
Microsoft support number New Zealand  800-449-076

When the Microsoft Sandbox attribute does not support is present, and it will:

  • Block form submission
  • Block script execution
  • Disable API’s

A sample code for implementation is as follows <iframe sandbox=”value“>

By default, popups opened from a sandboxed frame have the same restrictions as the frame.

How to resolve Sandbox attribute does not support “allow-popups-to-escape-sandbox” ?  

Some of the other flags that are often used are

  • window.alert()
  • window.confirm()
  • window.print()
  • window.prompt()

Here are the values of the sandbox attribute :

Value Name Notes
allow-top-navigation Allows a sandboxed iframe to navigate its top-level browsing context
allow-scripts Re-enables JavaScript in a sandboxed iframe.
allow-same-origin Allows the content of a sandboxed iframe to be treated as having the same origin as the primary document.
allow-popups Re-enables popups in a sandboxed iframe.
allow-pointer-lock Re-enables the Pointer Lock API (mouse movement capture) in sandboxed an iframe.
allow-forms Re-enables form submission in a sandboxed iframe.

You may also get errors like:

  • Allow pop ups permission is not set
  • Error while parsing the sandbox attribute ms allow popups is an invalid sandbox flag
  • Allow popups to escape sandboxed iframe sample
  • Sandbox allow popups

To solve error like an error while parsing the sandbox attribute ms allow popups is an invalid sandbox flag the landing page add “allow-popups-to-escape-sandbox” to the frame “attribute”. This allows the sandboxed document to open in a new window without opening in the same flagged page and help in making a clean browsing.

<iframe id=”blue” src=”iframe.html” sandbox=”allow-popups allow-popups-to-escape-sandbox”></iframe>

But some of the developers face an error like Sandbox attribute does not support “allow-popups-to-escape-sandbox” saying “Error while parsing the ‘sandbox’ attribute: ‘allow-modals’, ‘allow-popups-to-escape-sandbox’ are invalid sandbox flags” in the google chrome browser often.

This can be normally solved by using the updated version of the coding style and by checking the header values / the browser request as

if($(‘#ssIFrame_google’).length) {  var google_sandbox = $(‘#ssIFrame_google’).attr(‘sandbox’)  google_sandbox += ‘ allow-modals’  $(‘#ssIFrame_google’).attr(‘sandbox’, google_sandbox)} Where #ssIFrame_google is the id of Google iframe.

Error code 0xc004f014 | Error code 0x80072efd | 0xc004f074 Windows 10 | Windows update error 80072ee2 | Windows 10 error code 0x800f081f

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