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POSend Combination-keystrokes using sendKeyEvent in a Mozilla/Firefox Extension
 

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  1. POSend Combination-keystrokes using sendKeyEvent in a Mozilla/Firefox Extension
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    <p>I am building a Mozilla Extension and I need to send the window keystrokes using the <code>sendKeyEvent</code> function. I have it working when I send a single keystroke to the window but it is not working when I try to send a multi-keystroke pattern (ie. SHIFT+3 to send the # character). Does anyone have any idea how to send multiple keys to the window? I have tried the following code but it doesn't seem to be working:</p> <pre><code>var utils = window.QueryInterface(Components.interfaces.nsIInterfaceRequestor).getInterface(Components.interfaces.nsIDOMWindowUtils); utils.sendKeyEvent("keydown", 51, 51, 4); utils.sendKeyEvent("keypress", 51, 51, 4); utils.sendKeyEvent("keyup", 51, 51, 4); </code></pre> <p>I researched the web but I cannot find any examples of multi-key combinations.</p> <p>UPDATE:: OK so the reason why I asked this question is because I am building a custom FF extension that will interact with a website. On the website they have some shortcut keys, and in the extension I would like to trigger a couple short-cut key events. One such shortcut is the SHIFT+3 (# pound sign). So on the site I believe they have something like the following:</p> <pre><code>function key_event(evt) { if(evt.keyCode == 16) { if(evt.keyCode == 51){ FIRE EVENT } } } </code></pre> <p>Now does anyone know how I can trigger this event in javascript since the sendKeyEvent doesn't seem to trigger it? My initial thought is to create a while loop which presses the SHIFT key and setup an interval to press the 3 key. At some point they would have to be triggered at the same time? Not sure if this would be the best way. Any guidance/ideas would be greatly appreciated!</p> <p>Thanks for your time.</p>
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    1. COFor the Octothorpe ("# character"), did you try sending its ASCII code? That is, use **35** instead of 51.?
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      1. USBrock Adams
    2. COHey Brock, thanks for the suggestion but unfortunately that didn't work. I've updated my question with some more specifics of what I think is 1) the site is listening for and 2) My idea of what might need to happen to trigger the key event
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    3. COHey @Brock, you are the man! Your solution actually worked, sorry about my comment above. If you want to add it as an answer I will mark it as resolved and give you credit. Thanks again!
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