Knowledge Drop

What is an iframe (SSO embed)?

Userlevel 3

Last tested: Jul 3, 2018

An iframe is an HTML element wherein you can render an entirely different HTML document, potentially from an entirely different server. It's basically HTML inception. "iframe" is short for "inline frame"; it isn't an Apple product so I see no reason why you would capitalize the 'F'. And as you'd suspect, there is a non-inline <frame>element, but it's been deprecated with HTML5.

An iframe takes the following form:

<iframe attr1="val1" attr2="val2" ... attrN="valN"></iframe>

...where each attr is one of the following:

Attribute Value Description
height pixels Specifies the height
name text Specifies the name
sandbox allow-forms, allow-pointer-lock, allow-popups, allow-same-origin, allow-scripts, allow-top-navigation Enables an extra set of restrictions for the content
src url Specifies the address of the document to embed
srcdoc html code Specifies the HTML content of the page to show, as an alternative to src
width pixels Specifies the width

For SSO embedding, we care mostly about the src attribute, wherein you supply a specialized URL that automatically authenticates the viewer into the Looker instance and then retrieves some content to be displayed in the iframe.


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