embedding third party “applets” like payment formsīasically - if you need to embed some independant, already-existing HTML document into the current document, use an. #Scriptcase multiple iframes on one page code
embedding code examples (we do it on this site). frameborder0 will hide the edges of the iFrame making it. Frameborder Setting frameborder1 will show a small border around the edges of the iFrame. If your site has SSL you need to ensure all iFrames start with Width/Height Width and height are pixel values defining the size of your iFrame. embedding your own media in a document-agnostic way Src The source of the iFrame, this is a URL. There are some legitimate uses for, and mimicking terrible design patterns from the 1990s is not one of them. That should stop you, but then you might start looking for JavaScript solutions, and then you’ll rebuild something terrible. Then you’ll discover that you can’t use the target attribute to open a link in a particular frame. And then you might find yourself tempted to use and fixed-width design to recreate the same nightmare of independent panels and sub-windows. You may find yourself tasked with updating or redesigning an old website that was built using frames. Do not recreate frame-based layouts with iframe (It was terrible.) All of the other differences between and stem from this basic difference. The element broke this paradigm and allowed the document to exert control over the browser window, breaking it into several smaller panels (frames), which each displayed a different document. 
The video is clearly on the page, not in some separate panel somewhere else. For example, consider this embedded YouTube video: The contents of the are displayed inside an element which is clearly a part of the current document. The main difference between and is that implements this in a way that makes sense, that respects what an HTML document is in the first place. They content for the document is referenced in the src attribute of each element, so it is actually a fully independent resource being referenced from the current document. How and are similar, and how they are differentīoth elements represent an independant HTML document. Should it have been deprecated too? Is it best to just avoid it? There are some valid uses for this element, but you really need to understand what it is and how it works in order to avoid some of the pitfalls that were so common in the dark times. Thankfully, the element has been deprecated in HTML5, but the, or “inline frame” is still available. They were almost always a bad approach to design. Back in the bad old days of website design, there were a lot of elements hanging around, ruining everyone’s day.
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