keycode 8 = BackSpace BackSpace 

keycode 9 = Tab Tab 

keycode 12 = Clear 

keycode 13 = Enter 

keycode 16 = Shift_L 

keycode 17 = Control_L 

keycode 18 = Alt_L 

keycode 19 = Pause 

keycode 20 = Caps_Lock 

keycode 27 = Escape Escape 

keycode 32 = space space 

keycode 33 = Prior 

keycode 34 = Next 

keycode 35 = End 

keycode 36 = Home 

keycode 37 = Left 

keycode 38 = Up 

keycode 39 = Right 

keycode 40 = Down 

keycode 41 = Select 

keycode 42 = Print 

keycode 43 = Execute 

keycode 45 = Insert 

keycode 46 = Delete 

keycode 47 = Help 

keycode 48 = 0 equal braceright 

keycode 49 = 1 exclam onesuperior 

keycode 50 = 2 quotedbl twosuperior 

keycode 51 = 3 section threesuperior 

keycode 52 = 4 dollar 

keycode 53 = 5 percent 

keycode 54 = 6 ampersand 

keycode 55 = 7 slash braceleft 

keycode 56 = 8 parenleft bracketleft 

keycode 57 = 9 parenright bracketright 

keycode 65 = a A 

keycode 66 = b B 

keycode 67 = c C 

keycode 68 = d D 

keycode 69 = e E EuroSign 

keycode 70 = f F 

keycode 71 = g G 

keycode 72 = h H 

keycode 73 = i I 

keycode 74 = j J 

keycode 75 = k K 

keycode 76 = l L 

keycode 77 = m M mu 

keycode 78 = n N 

keycode 79 = o O 

keycode 80 = p P 

keycode 81 = q Q at 

keycode 82 = r R 

keycode 83 = s S 

keycode 84 = t T 

keycode 85 = u U 

keycode 86 = v V 

keycode 87 = w W 

keycode 88 = x X 

keycode 89 = y Y 

keycode 90 = z Z 

keycode 96 = KP_0 KP_0 

keycode 97 = KP_1 KP_1 

keycode 98 = KP_2 KP_2 

keycode 99 = KP_3 KP_3 

keycode 100 = KP_4 KP_4 

keycode 101 = KP_5 KP_5 

keycode 102 = KP_6 KP_6 

keycode 103 = KP_7 KP_7 

keycode 104 = KP_8 KP_8 

keycode 105 = KP_9 KP_9 

keycode 106 = KP_Multiply KP_Multiply 

keycode 107 = KP_Add KP_Add

keycode 108 = KP_Separator KP_Separator 

keycode 109 = KP_Subtract KP_Subtract 

keycode 110 = KP_Decimal KP_Decimal 

keycode 111 = KP_Divide KP_Divide 

keycode 112 = F1 

keycode 113 = F2 

keycode 114 = F3 

keycode 115 = F4 

keycode 116 = F5 

keycode 117 = F6 

keycode 118 = F7 

keycode 119 = F8 

keycode 120 = F9 

keycode 121 = F10 

keycode 122 = F11 

keycode 123 = F12 

keycode 124 = F13 

keycode 125 = F14 

keycode 126 = F15 

keycode 127 = F16 

keycode 128 = F17 

keycode 129 = F18 

keycode 130 = F19 

keycode 131 = F20 

keycode 132 = F21 

keycode 133 = F22 

keycode 134 = F23 

keycode 135 = F24 

keycode 136 = Num_Lock 

keycode 137 = Scroll_Lock 

keycode 187 = acute grave 

keycode 188 = comma semicolon 

keycode 189 = minus underscore 

keycode 190 = period colon 

keycode 192 = numbersign apostrophe 

keycode 210 = plusminus hyphen macron 

keycode 211 = 

keycode 212 = copyright registered 

keycode 213 = guillemotleft guillemotright 

keycode 214 = masculine ordfeminine 

keycode 215 = ae AE 

keycode 216 = cent yen 

keycode 217 = questiondown exclamdown 

keycode 218 = onequarter onehalf threequarters 

keycode 220 = less greater bar 

keycode 221 = plus asterisk asciitilde 

keycode 227 = multiply division

keycode 228 = acircumflex Acircumflex 

keycode 229 = ecircumflex Ecircumflex 

keycode 230 = icircumflex Icircumflex 

keycode 231 = ocircumflex Ocircumflex 

keycode 232 = ucircumflex Ucircumflex 

keycode 233 = ntilde Ntilde 

keycode 234 = yacute Yacute 

keycode 235 = oslash Ooblique 

keycode 236 = aring Aring 

keycode 237 = ccedilla Ccedilla 

keycode 238 = thorn THORN 

keycode 239 = eth ETH 

keycode 240 = diaeresis cedilla currency 

keycode 241 = agrave Agrave atilde Atilde 

keycode 242 = egrave Egrave 

keycode 243 = igrave Igrave 

keycode 244 = ograve Ograve otilde Otilde 

keycode 245 = ugrave Ugrave 

keycode 246 = adiaeresis Adiaeresis 

keycode 247 = ediaeresis Ediaeresis 

keycode 248 = idiaeresis Idiaeresis 

keycode 249 = odiaeresis Odiaeresis 

keycode 250 = udiaeresis Udiaeresis 

keycode 251 = ssharp question backslash 

keycode 252 = asciicircum degree 

keycode 253 = 3 sterling 

keycode 254 = Mode_switch

使用event对象的keyCode属性判断输入的键值

eg：if(event.keyCode==13)alert(“enter!”);

键值对应表

A　　0X65 　U 　　0X85

B　　0X66　 V　　 0X86

C　　0X67　 W　　 0X87

D　　0X68　 X 　　0X88

E　　0X69　 Y　　 0X89

F　　0X70　 Z　　 0X90

G　　0X71　 0　　 0X48

H　　0X72　 1　　 0X49

I　　0X73　 2　　 0X50

J　　0X74　 3 　　0X51

K　　0X75　 4 　　0X52

L　　0X76　 5 　　0X53

M　　0X77　 6　　 0X54

N　　0X78 　7 　　0X55

O　　0X79 　8 　　0X56

P　　0X80 　9 　　0X57

Q　　0X81　ESC　　0X1B

R　　0X82　CTRL 　0X11

S　　0X83　SHIFT　0X10

T　　0X84　ENTER　0XD

如果要使用组合键，则可以利用event.ctrlKey，event.shiftKey，event .altKey判断是否按下了ctrl键、shift键以及alt键。