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js中获取键盘事件以及常用键码

2017-03-09 11:33 501 查看
<script type="text/javascript" language=JavaScript charset="UTF-8">
2       document.onkeydown=function(event){
3             var e = event || window.event || arguments.callee.caller.arguments[0];
4             if(e && e.keyCode==27){ // 按 Esc
5                 //要做的事情
6               }
7             if(e && e.keyCode==113){ // 按 F2
8                  //要做的事情
9                }
10              if(e && e.keyCode==13){ // enter 键
11                  //要做的事情
12             }
13         };
14 </script>

1 js 里面的键盘事件经常用到,所以收集了键盘事件对应的键码来分享下:
2 keyCode 8 = BackSpace BackSpace
3 keyCode 9 = Tab Tab
4 keyCode 12 = Clear
5 keyCode 13 = Enter
6 keyCode 16 = Shift_L
7 keyCode 17 = Control_L
8 keyCode 18 = Alt_L
9 keyCode 19 = Pause
10 keyCode 20 = Caps_Lock
11 keyCode 27 = Escape Escape
12 keyCode 32 = space
13 keyCode 33 = Prior
14 keyCode 34 = Next
15 keyCode 35 = End
16 keyCode 36 = Home
17 keyCode 37 = Left
18 keyCode 38 = Up
19 keyCode 39 = Right
20 keyCode 40 = Down
21 keyCode 41 = Select
22 keyCode 42 = Print
23 keyCode 43 = Execute
24 keyCode 45 = Insert
25 keyCode 46 = Delete
26 keyCode 47 = Help
27 keyCode 48 = 0 equal braceright
28 keyCode 49 = 1 exclam onesuperior
29 keyCode 50 = 2 quotedbl twosuperior
30 keyCode 51 = 3 section threesuperior
31 keyCode 52 = 4 dollar
32 keyCode 53 = 5 percent
33 keyCode 54 = 6 ampersand
34 keyCode 55 = 7 slash braceleft
35 keyCode 56 = 8 parenleft bracketleft
36 keyCode 57 = 9 parenright bracketright
37 keyCode 65 = a A
38 keyCode 66 = b B
39 keyCode 67 = c C
40 keyCode 68 = d D
41 keyCode 69 = e E EuroSign
42 keyCode 70 = f F
43 keyCode 71 = g G
44 keyCode 72 = h H
45 keyCode 73 = i I
46 keyCode 74 = j J
47 keyCode 75 = k K
48 keyCode 76 = l L
49 keyCode 77 = m M mu
50 keyCode 78 = n N
51 keyCode 79 = o O
52 keyCode 80 = p P
53 keyCode 81 = q Q at
54 keyCode 82 = r R
55 keyCode 83 = s S
56 keyCode 84 = t T
57 keyCode 85 = u U
58 keyCode 86 = v V
59 keyCode 87 = w W
60 keyCode 88 = x X
61 keyCode 89 = y Y
62 keyCode 90 = z Z
63 keyCode 96 = KP_0 KP_0
64 keyCode 97 = KP_1 KP_1
65 keyCode 98 = KP_2 KP_2
66 keyCode 99 = KP_3 KP_3
67 keyCode 100 = KP_4 KP_4
68 keyCode 101 = KP_5 KP_5
69 keyCode 102 = KP_6 KP_6
70 keyCode 103 = KP_7 KP_7
71 keyCode 104 = KP_8 KP_8
72 keyCode 105 = KP_9 KP_9
73 keyCode 106 = KP_Multiply KP_Multiply
74 keyCode 107 = KP_Add KP_Add
75 keyCode 108 = KP_Separator KP_Separator
76 keyCode 109 = KP_Subtract KP_Subtract
77 keyCode 110 = KP_Decimal KP_Decimal
78 keyCode 111 = KP_Divide KP_Divide
79 keyCode 112 = F1
80 keyCode 113 = F2
81 keyCode 114 = F3
82 keyCode 115 = F4
83 keyCode 116 = F5
84 keyCode 117 = F6
85 keyCode 118 = F7
86 keyCode 119 = F8
87 keyCode 120 = F9
88 keyCode 121 = F10
89 keyCode 122 = F11
90 keyCode 123 = F12
91 keyCode 124 = F13
92 keyCode 125 = F14
93 keyCode 126 = F15
94 keyCode 127 = F16
95 keyCode 128 = F17
96 keyCode 129 = F18
97 keyCode 130 = F19
98 keyCode 131 = F20
99 keyCode 132 = F21
100 keyCode 133 = F22
101 keyCode 134 = F23
102 keyCode 135 = F24
103 keyCode 136 = Num_Lock
104 keyCode 137 = Scroll_Lock
105 keyCode 187 = acute grave
106 keyCode 188 = comma semicolon
107 keyCode 189 = minus underscore
108 keyCode 190 = period colon
109 keyCode 192 = numbersign apostrophe
110 keyCode 210 = plusminus hyphen macron
111 keyCode 211 =
112 keyCode 212 = copyright registered
113 keyCode 213 = guillemotleft guillemotright
114 keyCode 214 = masculine ordfeminine
115 keyCode 215 = ae AE
116 keyCode 216 = cent yen
117 keyCode 217 = questiondown exclamdown
118 keyCode 218 = onequarter onehalf threequarters
119 keyCode 220 = less greater bar
120 keyCode 221 = plus asterisk asciitilde
121 keyCode 227 = multiply division
122 keyCode 228 = acircumflex Acircumflex
123 keyCode 229 = ecircumflex Ecircumflex
124 keyCode 230 = icircumflex Icircumflex
125 keyCode 231 = ocircumflex Ocircumflex
126 keyCode 232 = ucircumflex Ucircumflex
127 keyCode 233 = ntilde Ntilde
128 keyCode 234 = yacute Yacute
129 keyCode 235 = oslash Ooblique
130 keyCode 236 = aring Aring
131 keyCode 237 = ccedilla Ccedilla
132 keyCode 238 = thorn THORN
133 keyCode 239 = eth ETH
134 keyCode 240 = diaeresis cedilla currency
135 keyCode 241 = agrave Agrave atilde Atilde
136 keyCode 242 = egrave Egrave
137 keyCode 243 = igrave Igrave
138 keyCode 244 = ograve Ograve otilde Otilde
139 keyCode 245 = ugrave Ugrave
140 keyCode 246 = adiaeresis Adiaeresis
141 keyCode 247 = ediaeresis Ediaeresis
142 keyCode 248 = idiaeresis Idiaeresis
143 keyCode 249 = odiaeresis Odiaeresis
144 keyCode 250 = udiaeresis Udiaeresis
145 keyCode 251 = ssharp question backslash
146 keyCode 252 = asciicircum degree
147 keyCode 253 = 3 sterling
148 keyCode 254 = Mode_switch
149 使用event对象的keyCode属性判断输入的键值
150 eg:if(event.keyCode==13)alert(“enter!”);
151 键值对应表
152 A  0X65  U   0X85
153 B  0X66  V   0X86
154 C  0X67  W   0X87
155 D  0X68  X   0X88
156 E  0X69  Y   0X89
157 F  0X70  Z   0X90
158 G  0X71  0   0X48
159 H  0X72  1   0X49
160 I  0X73  2   0X50
161 J  0X74  3   0X51
162 K  0X75  4   0X52
163 L  0X76  5   0X53
164 M  0X77  6   0X54
165 N  0X78  7   0X55
166 O  0X79  8   0X56
167 P  0X80  9   0X57
168 Q  0X81 ESC  0X1B
169 R  0X82 CTRL  0X11
170 S  0X83 SHIFT 0X10
171 T  0X84 ENTER 0XD
172 如果要使用组合键,则可以判断是否同时按下了这几个键,比如ctrl键、shift键以及alt键的组合使用就可以判断是否多按下了ctrl键、shift键以及alt键
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