js键盘事件

附常用功能键
15 常数 值 描述
16 vbKeyBack 8 BACKSPACE 键
17 vbKeyTab 9 TAB 键
18 vbKeyReturn 13 ENTER 键
19 vbKeyShift 16 SHIFT 键
20 vbKeyControl 17 CTRL 键
21 vbKeyCapital 20 CAPS LOCK 键
22 vbKeyEscape 27 ESC 键
23 vbKeySpace 32 SPACEBAR 键
24 vbKeyPageUp 33 PAGEUP 键
25 vbKeyPageDown 34 PAGEDOWN 键
26 vbKeyEnd 35 END 键
27 vbKeyPrint 42 PRINT SCREEN 键
28 vbKeyDelete 46 DEL 键
29 vbKeyNumlock 144 NUM LOCK 键

<script type="text/javascript">
document.onkeydown=function(e){
if(!e)e=window.event;
if((e.keyCode||e.which)==13){
//回车键事件
}
}