a) allow-same-origin
b) allow-forms
c) allow-scripts
d) allow-pointer-lock
Answer: c
Explanation: Scripts are re-enabled by allow-scripts. The sandbox attribute enables an extra set of restrictions for the content in the iframe. Allow-forms re-enables from submission. Allow-same-origin allows iframe content to be treated as being from the same origin. API’s are re-enable by allow-pointer-lock.
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