![]() The gadget has scripting and forms enabled, and the origin sandbox restrictions are lifted, allowing the gadget to communicate with its originating server. In this example, a gadget from another site is embedded. The srcdoc attribute in conjunction with the sandbox and seamless attributes : ![]() Give the height of the visual content of the element, in CSS pixels. Give the width of the visual content of the element, in CSS pixels. Indicates that the iframe element's browsing context is to be rendered in a manner that makes it appear to be part of the containing document (seamlessly included in the parent document). Re-enable forms and scripts respectively (though scripts are still prevented from creating popups). ![]() blocks features that trigger automatically, such as automatically playing a video or automatically focusing a form control.Īllows the content to be treated as being from the same origin instead of forcing it into a unique origin.Īllows the content to navigate its top-level browsing context.blocks form submission, blocks script execution.forces content into a unique origin, thus preventing it from accessing other content from the same origin.prevents content from using the seamless attribute on descendant iframe elements.prevents content from instantiating plugins, whether using the embed element, the object element, the applet element, or through navigation of a nested browsing context.prevents content from navigating their top-level browsing context.prevents content from navigating browsing contexts other than the sandboxed browsing context itself.If presents, given in the following list set.sandbox = allow-same-origin/ allow-top-navigation/ allow-forms/ allow-scriptsĮnables a set of extra restrictions on any content hosted by the iframe.When the browsing context is created, if the attribute is present, the browsing context name must be set to the value of this attribute otherwise, the browsing context name must be set to the empty string. Gives the content of the page that the nested browsing context is to contain. Gives the address of a page that the nested browsing context is to contain. src = URL potentially surrounded by spaces.This allows authors to provide a fallback URL for legacy user agents that do not support the srcdoc attribute. If the src attribute and the srcdoc attribute are both specified together, the srcdoc attribute takes priority.The element represents a nested browsing context.
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