js判断按键内容

<!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=gb2312" />
<title>
test
</title>
</head>

<script> 
function check(e){
var e = window.event ? window.event : e;
    if(e.keyCode == 9){
        alert("You press the \"Tab\" button");
    }
}
</script> 
<body>
<p>
  <input type="text" name="textfield" onkeydown="check(event);" />
</p>
<p>
  <input type="text" name="textfield2" />
</p>
</body>
</html>

判断是否按下了“F5”
document.onkeydown = function(e){
var e = window.event ? window.event : e;
if(e.keyCode == 116){
alert("按下了F５")
}
}

ASCII码

 
ASCII码 键盘 ASCII 码 键盘 ASCII 码 键盘 ASCII 码 键盘
27 ESC 32 SPACE 33 ! 34 "
35 # 36 $ 37 % 38 &
39 ' 40 ( 41 ) 42 *
43 + 44 ' 45 - 46 .
47 / 48 0 49 1 50 2
51 3 52 4 53 5 54 6
55 7 56 8 57 9 58 :
59 ; 60 < 61 = 62 >
63 ? 64 @ 65 A 66 B
67 C 68 D 69 E 70 F
71 G 72 H 73 I 74 J
75 K 76 L 77 M 78 N
79 O 80 P 81 Q 82 R
83 S 84 T 85 U 86 V
87 W 88 X 89 Y 90 Z
91 [ 92 \ 93 ] 94 ^
95 _ 96 ` 97 a 98 b
99 c 100 d 101 e 102 f
103 g 104 h 105 i 106 j
107 k 108 l 109 m 110 n
111 o 112 p 113 q 114 r
115 s 116 t 117 u 118 v
119 w 120 x 121 y 122 z
123 { 124 | 125 } 126 ~

posted @ 2007-12-28 12:28  IamV  阅读(2362)  评论(2)    收藏  举报