javascript练习:8-12键盘事件 

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
"http://www.w3.org/TR/html4/loose.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
    <head>
        <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
        <title>New Web Project</title>
        <script language="javascript">
            function press()//击键事件处理程序
            {
                form1.text.value += "这时onKeypress事件";
            }
            function down()//键按下事件处理程序
            {
                form1.text.value += "这是onKeyDown事件";
            }
            function up()//键释放事件处理程序
            {
                form1.text.value += "这是onKeyup事件";
            }
        </script>
    </head>
    <body onkeydown="down()" onkeyup="()" onkeypress="press()">
        <form name="form1" id="form1" method="post" action"">
            <label>
                <textarea name="text" cols"50" rows="5"></textarea>
            </label>
        </form>
    </body>
</html>

 

 

 

posted @ 2013-04-01 13:03  KeenLeung  阅读(172)  评论(0)    收藏  举报