I have sensitive files to download to users, and each user is permitted to download a given file exactly once.  If the download fails, I want to permit the re-download, but not otherwise.  It's not sufficient to rely on logging/processing the f...

How can I make a browser display a "save as dialog" so the user can save the content of a string to a file on his system?  For example:  var myString = "my string with some stuff"; save_to_filesystem(myString,"myString.txt")...

I need to save content of div using pure javascript. I just edited one fiddle but I can't make it works :(  jsfiddle  <div id="content"> <h1>Hello world</h1> <i>Hi everybody</i>    Download  function download...

I would like to be able to save the state of the html page after I've interacted with it.  Say I click a checkbox, or the javascript set the values of various elements.  How can I save the "javascript-rendered" page?  Thanks....

Im loading a few images to my canvas and then after they load I want to click a button that saves that canvas image to my server. I can see the script works fine until it gets to the 'toDataURL' part and my function stops executing. What am I...

So I managed to implement the google map with a dragable marker on my website.  The only problem I have now is that I don't know how to save the location of where the marker is put the last time. So if a user drags the marker 4 times, I want to s...

I'm building a little locally run CSS driven site map for auditing a huge intranet site. I've already coded the ability, to bring up a context menu which provides for options to make updates to the DOM of index.html.  I would like to save the...

Onchange of select option I am confirming the user whether to save or not the changes. If user selects OK , I am submitting the form automatically.ie. onchange="if(confirm('Save?')){this.form.gridedit.click();} ". When user selects ca...

In this question I just learned how to illicit one desired element out of a Google translate page. There I have also learned that placing anything into clipboard in Javascript is literately impossible (you can do it by prompting a window asking a use...

Let me start off by saying I am new to add-on development. Using the Add-on SDK, I am trying to create a simple Firefox add-on that, when a button is pressed, acts like pressing the Ctrl-S hotkey, or following the file -> save page as to get the s...