javascript键盘事件全面控制脚本代码_javascript技巧

<style type="text/css"> TD {text-align:center} </style> <h1>Keyboard Event Handler Lab</h1> <hr> <form> <table border="2" cellpadding="2"> <tr> <th></th> <th>onKeyDown</th> <th>onKeyPress</th> <th>onKeyUp</th> </tr> <tr> <th>Key Codes</th> <td id="downKeyCode">0</td> <td id="pressKeyCode">0</td> <td id="upKeyCode">0</td> </tr> <tr> <th>Char Codes (IE5/Mac; NN6)</th> <td id="downCharCode">0</td> <td id="pressCharCode">0</td> <td id="upCharCode">0</td> </tr> <tr> <th rowspan="3">Modifier Keys</th> <td><span id="shiftDown">Shift</span></td> <td><span id="shift">Shift</span></td> <td><span id="shiftUp">Shift</span></td> </tr> <tr> <td><span id="ctrlDown">Ctrl</span></td> <td><span id="ctrl">Ctrl</span></td> <td><span id="ctrlUp">Ctrl</span></td> </tr> <tr> <td><span id="altDown">Alt</span></td> <td><span id="alt">Alt</span></td> <td><span id="altUp">Alt</span></td> </tr> </table> </form>
[Ctrl+A 全选 注:如需引入外部Js需刷新才能执行]