所有keyCode，以备不时只需

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

js简单示例：

if   ((window.event.ctrlKey) && (window.event.keyCode == 13)) {

    //... 处理内容

    //alert("按下了CTRL＋ENTER键");

}

从以上例子可以看出

Shift、Control、Alt 在JS中可用

“window.event.shiftKey”、“window.event.ctrlKey”、“window.event.altKey” 代替