源自：http://www.cambiaresearch.com/articles/15/javascript-char-codes-key-codes在处理键按键事件，方便做对照。
| Key |
Code |
| backspace |
8 |
| tab |
9 |
| enter |
13 |
| shift |
16 |
| ctrl |
17 |
| alt |
18 |
| pause/break |
19 |
| caps lock |
20 |
| escape |
27 |
| page up |
33 |
| page down |
34 |
| end |
35 |
| home |
36 |
| left arrow |
37 |
| up arrow |
38 |
| right arrow |
39 |
| down arrow |
40 |
| insert |
45 |
| delete |
46 |
| 0 |
48 |
| 1 |
49 |
| 2 |
50 |
| 3 |
51 |
| 4 |
52 |
| 5 |
53 |
| 6 |
54 |
| 7 |
55 |
| 8 |
56 |
| 9 |
57 |
| a |
65 |
| b |
66 |
| c |
67 |
| d |
68 |
|
|
| Key |
Code |
| e |
69 |
| f |
70 |
| g |
71 |
| h |
72 |
| i |
73 |
| j |
74 |
| k |
75 |
| l |
76 |
| m |
77 |
| n |
78 |
| o |
79 |
| p |
80 |
| q |
81 |
| r |
82 |
| s |
83 |
| t |
84 |
| u |
85 |
| v |
86 |
| w |
87 |
| x |
88 |
| y |
89 |
| z |
90 |
| left window key |
91 |
| right window key |
92 |
| select key |
93 |
| numpad 0 |
96 |
| numpad 1 |
97 |
| numpad 2 |
98 |
| numpad 3 |
99 |
| numpad 4 |
100 |
| numpad 5 |
101 |
| numpad 6 |
102 |
| numpad 7 |
103 |
|
|
| Key |
Code |
| numpad 8 |
104 |
| numpad 9 |
105 |
| multiply |
106 |
| add |
107 |
| subtract |
109 |
| decimal point |
110 |
| divide |
111 |
| f1 |
112 |
| f2 |
113 |
| f3 |
114 |
| f4 |
115 |
| f5 |
116 |
| f6 |
117 |
| f7 |
118 |
| f8 |
119 |
| f9 |
120 |
| f10 |
121 |
| f11 |
122 |
| f12 |
123 |
| num lock |
144 |
| scroll lock |
145 |
| semi-colon |
186 |
| equal sign |
187 |
| comma |
188 |
| dash |
189 |
| period |
190 |
| forward slash |
191 |
| grave accent |
192 |
| open bracket |
219 |
| back slash |
220 |
| close braket |
221 |
| single quote |
222 |
| |
|
|