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jQuery's event object's metakey property not working

Posted on 2015-01-13
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Last Modified: 2015-01-16
I was trying out a sample code, and I noticed the metakey property of the event object is not working as it keeps reporting back false even when I press the ctrl key in Windows 7. Can anyone please tell me why? I checked jQuery's bug tracker, they say it has been fixed, but not from my point of view, especially since it doesn't work on any browser I tested this with (IE, Firefox, Opera, Chrome, and Safari).

<!DOCTYPE html>
<html>
<head>
    <title>jQuery Event Handling</title>
    <link rel="stylesheet" href="../style.css"/>
    <script src="//ajax.googleapis.com/ajax/libs/jquery/1.11.2/jquery.min.js"></script>
    <script type="text/javascript">
        $("document").ready(function() {
            $("#example").on("mousemove", onMouseOver);
            $("#example").on("click", onMouseClick);
            $("#example").on("mouseleave", onMouseLeave);
        });
        
        function onMouseOver(evt) {
            $("#example").text(evt.type + ": " + evt.pageX + ", " + evt.pageY
                               + "\n" + "Button: " + evt.which + 
                               " Key: " + evt.metaKey);
        }
        function onMouseClick(evt) {
            $("#example").text(evt.type + ": " + evt.pageX + ", " + evt.pageY);
            $("#example").off("mousemove", onMouseOver);
        }
        function onMouseLeave(evt) {
            $("#example").text("mouseleave");
        }
    </script>
</head>
<body>
    <h1>jQuery Event Handling</h1>
    <p>jQuery normalizes an event structure across browsers and provides cross-browser consistency for properties such as the event name, the page coordinates of the mouse, the element where the event originated along with any other element related to the event, and information such as whether a meta-key or specific mouse button was pressed.</p>
    <div id="example">
    </div>
</body>
</html>

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Question by:elepil
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3 Comments
 
LVL 43

Expert Comment

by:Rob
ID: 40554442
The ctrl key isn't classed as a meta key. The Windows key is the only meta key on standard keyboards and it seems that key isn't exposed to the browser to capture.
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Accepted Solution

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Rob earned 2000 total points
ID: 40554446
see here for a demo using the ctrl key: http://jsbin.com/piyuwu/1/edit?html,js

I've also changed your events to be captured over the <body>, not the empty "example" div
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Author Closing Comment

by:elepil
ID: 40554795
Thanks, Rob, that answers my question!
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