(045)javascript_event_keyEvent 

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
    <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
    <title>EVENT</title>
    <style type="text/css">
        #tankDiv{
            width: 90px;
            height: 90px;
            background: blue;
            position: absolute;
        }
    </style>
    <script type="text/javascript">

        document.onkeydown = function(ev) {

            var oEvent = ev||event;

            var oDiv = document.getElementById("tankDiv");

            //keyCode 左 37 右 39
            if(oEvent.keyCode == 37) 
            {
                oDiv.style.left = oDiv.offsetLeft - 10 + "px";
            }
            else if(oEvent.keyCode == 39)
            {
                oDiv.style.left = oDiv.offsetLeft + 10 + "px";
            }

        };
        
    </script>
</head>

<body>

    <div id="tankDiv"></div>

</body>
</html>

 

posted @ 2014-03-23 11:08  雪中飞雁  阅读(70)  评论(0)    收藏  举报