From object to iframe — other embedding technologies - Learn web development
e(); }); solution.addeventlistener('click', function() { if(solution.value === 'show solution') { textarea.value = solutionentry; solution.value = 'hide solution'; } else { textarea.value = userentry; solution.value = 'show solution'; } updatecode(); }); const htmlsolution = '<iframe width="420" height="315" src="https://www.youtube.com/embed/qh2-tgulwu4" frameborder="0" allowfullscreen>\n</iframe>\n\n<iframe src="https://www.google.com/maps/embed?pb=!1m18!1m12!1m3!1d37995.65748333395!2d-2.273568166412784!3d53.473310471916975!2m3!1f0!2f0!3f0!3m2!1i1024!2i768!4f13.1!3m3!1m2!1s0x487bae6c05743d3d%3a0xf82fddd1e49fc0a1!2sthe+lowry!5e0!3m2!1sen!2suk!4v1518171785211" width="600" height="450" frameborder="0" style="border:0" allowfullscreen>\n</iframe>'; let solutionentry = htmlsolution...
...elow, but this doesn't mean that you shouldn't use them in your websites — it just requires some knowledge and careful thinking.
... could try something like this: <iframe src="https://udn.realityripple.com/docs/glossary" width="100%" height="500" frameborder="0" allowfullscreen sandbox> <p> <a href="https://udn.realityripple.com/docs/glossary"> fallback link for browsers that don't support iframes </a> </p> </iframe> this example includes the basic essentials needed to use an <iframe>: allowfullscreen if set, the <iframe> is able to be placed in fullscreen mode using the full screen api (somewhat beyond scope for this article.) frameborder if set to 1, this tells the browser to draw a border between this frame and other frames, which is the default behaviour.
...ent from a different origin (it can keep attackers from running arbitrary scripts through the plugin).

Fullscreen API - Web APIs
e set to true).
...e (needs to be set to true).

HTMLIFrameElement - Web APIs
ent, htmlelement.
...htmliframeelement.width is a domstring that reflects the width html attribute, indicating the width of the frame.

Feature-Policy: fullscreen - HTTP
to use element.requestfullscreen().
... child frames can request and enter fullscreen mode.

Document.fullscreenEnabled - Web APIs
the read-only fullscreenenabled property on the document interface indicates whether or not full-screen mode is available.

Element.requestFullscreen() - Web APIs
trol features.

Guide to the Fullscreen API - Web APIs
lscreenchange event.

Creating a cross-browser video player - Developer guides
<source src="video/tears-of-steel-battle-clip-medium.ogg" type="video/ogg"> <!-- flash fallback --> <object type="application/x-shockwave-flash" data="flash-player.swf?videourl=video/tears-of-steel-battle-clip-medium.mp4" width="1024" height="576"> <param name="movie" value="flash-player.swf?videourl=video/tears-of-steel-battle-clip-medium.mp4" /> <param name="allowfullscreen" value="true" /> <param name="wmode" value="transparent" /> <param name="flashvars" value="controlbar=over&amp;image=img/poster.jpg&amp;file=flash-player.swf?videourl=video/tears-of-steel-battle-clip-medium.mp4" /> <img alt="tears of steel poster image" src="img/poster.jpg" width="1024" height="428" title="no video playback possible, please download the video from the l...

<iframe>: The Inline Frame element - HTML: Hypertext Markup Language
permitted aria roles application, document, img, none, presentation dom interface htmliframeelement attributes this element includes the global attributes.