jQuery - keydown() on div not working in Firefox

2019-03-09 16:19发布

站内问答 / jQuery
1314 7 4

I have the following example code, which should pop up an alert when the div is in focus and a key is pressed. This does what I expect in IE 7, but not in Firefox 3.5.5. What am I doing wrong?

<html>
<head>
    <title>JS test</title>
    <script type="text/javascript" src="jquery-1.3.2.min.js"></script>
    <script type="text/javascript">
        $(document).ready(function() {
            $("#testdiv").keydown(function(event) {
                alert("Pressed " + event.keyCode);
            });
        });
    </script>    
    <style type="text/css">
        #testdiv
        {
            width: 50;
            height: 50;
            background-color: red;
        }
    </style>
</head>
<body>
    <div id="testdiv"></div>
</body>
</html>

EDIT: I've just tried replacing keydown with keypress and keyup and those don't work either. Incidentally, I also made sure that my "Find as you type" setting is turned off just in case.

7条回答
Deceive 欺骗
2楼-- · 2019-03-09 16:55

I got the above to work in Firefox, like this: 

$('#domainTableDiv').keydown(function(e) {
        alert(e.type + " button(" + e.which + ") ctrl(" + e.metaKey + ") alt(" + e.altKey + ") shift(" + e.shiftKey + ")" );
    });

$('#domainTableDiv').focus();

Once the DIV has focus set on it explicitly, key events fire just fine in Firefox 4.0.1

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