#Javascript iframe code#
The source code examples in this post can be found on Github by way of my test vjs repository, the source code examples for my many other posts on javaScript can also be found there. The source code examples here are on Github It is just that there are features of client side javaScript that will not work as they should with certain things unless the html files are being viewed in a browser by way of of the http or https rather than fie protocol and there are some iframe features that will be an example of this. Do not get me wrong I still think that the file protocol is a good way of getting started, it is after all the way that I got started.
#Javascript iframe how to#
Also it might be a good idea to learn how to go about hosting what it is that you are working on by way of the http protocol rather than that of the file protocol if you are still developing that way. If not you might want to take a few steps back and start out with some kind of getting started with javaScript type post if you are still very new to javaScript.
I assume that you have at least some background with javaScript, html, CSS, and basic computer skills before hand. In this section I will be covering how to go about doing just this involving a single html file. To get started with iframes there are two general ways of doing so, one would be to add one to the actual hard coded html by editing an html file or template, and the other way would be to create and inject one into a document with something like the document create element method. So in this post I will be sticking to just the basics for now as many of these other topics are matters for another post. The subject of iframes can become a little complicated there is much to write about with them when it comes to more advanced topics involving hidden iframes, and security concerns when with things like click jacking that ca be preformed with iframes. So iframes are not an alternative to something such as web worker, and when it comes to rending in a page there is still one main thread for that. Both the javaScript code that runs in the parent window object, as well as any iframes will share a single event loop. However doing so WILL NOT result in a separate event loop when it comes to running javaScript on the page as a whole. Thats is that I can have a completely separate window object that will not collide with the what is going on in the parent window object. An iframe is a way to have another html page inside an html page, when it comes to javaScript it is also a way to have another window object to work with. Sometimes it is called for to do something that involves the use of an iFrame element, when it comes to developing a client side system with javaScript.
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