Html5 help file download

I'm designing the web application where the browser client need to download multiple files from server; user will perform something with the downloaded files and the application than need to save the state on user hard-rive. I understand that the browser can save these files only to its sandbox which is fine as long as the user can retrieve those files on the second time he starts the application.

I'm a bit lost here. To download a file as a blob all you have do to is specify the responseType to "blob". You can also use the types "text", "arraybuffer" or "document". The function below downloads the file in the url and sends it to the success callback:.

As the Can i use For Firefox there's an explanation for the lack of support. So, you will have to use Chrome to do this. First you will have to request a storage space, it can be either temporary or persistent. You will probably want to have a persistent storage, in this case you will have request a quota of storage space upfront some facts :. You can use the same logic for and for IE8 and the final value of for IE7 one has to wonder what they're going todo for version 10 to perpetuate that pattern.

I think is the value you'd most likely want to use. This should allow existing pages to continue to use the fallback engine while new pages that have the proper HTML doctype set can take advantage of the newest features.

Here's an example of how I set the registry keys in my Tarma Installmate registry configuration:. Note that I set all three values both under the Software and WowNode keys so that this works regardless of where these EXEs are launched from. Even though all apps are 32 bit apps, the 64 bit the default one shown selected key is often used.

So, now once I've set the registry key for hh. It sucks that we have to go through all these hoops to get what should be natural behavior for an application to support the latest features available on a system. But it shouldn't be a surprise - the Windows Help team if there even is such a thing has not been known for forward looking technologies.

It's a pretty big hassle that we have to resort to setting registry keys in order to get the Web Browser control and the internal CHM engine to render itself properly but at least it's possible to make it work after all. If you provide both Web help and in-application help and why not if you're building from a single source you now can side step the issue of your customers asking: Why does my help file look so much shittier than the online help… No more!

The only reason people are still using CHM files is because Microsoft hasn't provided anything new that is supported by Windows. We just launched W3Schools videos. Get certified by completing a course today! If you want to report an error, or if you want to make a suggestion, do not hesitate to send us an e-mail:.

Example Specify a value for the download attribute, which will be the new filename of the downloaded file "w3logo. Download Microsoft Edge More info. Contents Exit focus mode. In this article. Examples might be simplified to improve reading and learning. Tutorials, references, and examples are constantly reviewed to avoid errors, but we cannot warrant full correctness of all content.

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