IFrame sandbox attribute
Definition and Usage
sandbox The attribute returns sandbox attribute value.
The sandbox attribute is used to enable security restrictions for iframes containing untrusted content (such as scripts and forms).
If specified as an empty string (sandbox=""), the sandbox attribute enables a set of additional restrictions for the content within the iframe.
The value of the sandbox attribute can be an empty string (implement all restrictions), or a space-separated list of predefined values, which will remove specific restrictions.
Note:This attribute is read-only.
Example
Return the value of the sandbox attribute:
var x = document.getElementById("myFrame").sandbox;
Syntax
iframeObject.sandbox
Technical Details
| Return Value: | A string value representing the value of the sandbox attribute. |
|---|
Browser Support
The numbers in the table indicate the first browser version that fully supports this attribute.
| Chrome | Edge | Firefox | Safari | Opera |
|---|---|---|---|---|
| Chrome | Edge | Firefox | Safari | Opera |
| 4.0 | 10.0 | 17.0 | 5.0 | 15.0 |
Related Pages
HTML Reference Manual:HTML <iframe> sandbox Attribute
