HTML <iframe> sandbox Attribute
An <iframe> with extra restrictions:
Try it yourself »
More "Try it Yourself" examples below.
The sandbox attribute is supported in all major browsers.
Note: The sandbox attribute is not supported in IE 9 and earlier versions, or in Opera 12 and earlier versions.
Definition and Usage
If specified as an empty string (sandbox=""), the sandbox attribute enables a set of extra restrictions for the content in the inline frame.
The value of the sandbox attribute can either be an empty string (all the restrictions is applied), or a space-separated list of pre-defined values that will REMOVE particular restrictions.
Differences Between HTML 4.01 and HTML5
The sandbox attribute is new in HTML5.
|""||Applies all restrictions below|
|allow-same-origin||Allows the iframe content to be treated as being from the same origin as the containing document|
|allow-top-navigation||Allows the iframe content to navigate (load) content from the containing document|
|allow-forms||Allows form submission|
|allow-scripts||Allows script execution|
Try it Yourself - Examples
An <iframe> sandbox allowing form submission
Enable a set of extra restrictions, but allow form submission.
An <iframe> sandbox allowing scripts and access to server content
Enable a set of extra restrictions, but allow scripts and access to server content.
HTML <iframe> tag
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