JS Judging keyboard keys

Mark To:http://www.cnblogs.com/hanwenhua/articles/3365154.html

Window.document.onkeydown = Disablerefresh;function Disablerefresh (evt) {evt = (evt)? Evt:window.eventif (Evt.keycode) {   if (Evt.keycode = =) {    //do something  }}} KeyCode 8 = BackSpace Backspacekeycode 9 = Tab Tabkeycode = Clearkeycode = Enterkeycode = Shift_lkeycode + = Con Trol_lkeycode = Alt_lkeycode = Pausekeycode = Caps_lockkeycode = Escape Escapekeycode = Space Spacekeycode Priorkeycode = Nextkeycode = Endkeycode = Homekeycode PNs = Leftkeycode = Upkeycode = Rightkeycode 40 = Downkeycode = Selectkeycode = Printkeycode = Executekeycode = Insertkeycode = Deletekeycode de = 0 Equal bracerightkeycode = 1 Exclam onesuperiorkeycode 2 quotedbl twosuperiorkeycode = 3 section Three Superiorkeycode 4 Dollarkeycode = 5 Percentkeycode = 6 Ampersandkeycode = 7 Slash Braceleftkeycode 8 PA Renleft Bracketleftkeycode = 9 Parenright BracketrightkeyCode Akeycode = A = b Bkeycode = c Ckeycode = d Dkeycode = e e Eurosignkeycode = f Fkeycode = g GKEYC Ode = h Hkeycode = i ikeycode = J Jkeycode (k kkeycode) = l Lkeycode * = m M mukeycode = n Nkeycode 79 = o Okeycode = p Pkeycode bayi = q Q atkeycode = R Rkeycode = s Skeycode p = t Tkeycode = u Ukeycode = v Vke Ycode = W Wkeycode = x xkeycode = y Ykeycode = z zkeycode = kp_0 kp_0keycode = kp_1 Kp_1keycode 98 = kp_ 2 Kp_2keycode = kp_3 Kp_3keycode = kp_4 Kp_4keycode 101 = kp_5 Kp_5keycode 102 = kp_6 Kp_6keycode 103 = KP_7 KP_7ke Ycode 104 = Kp_8 Kp_8keycode = kp_9 Kp_9keycode 106 = kp_multiply Kp_multiplykeycode 107 = Kp_add KP_Addkeycode 108 = Kp_separator Kp_separatorkeycode 109 = kp_subtract Kp_subtractkeycode = kp_decimal Kp_decimalkeycode 111 = KP_Divide K P_dividekeycode F3keycode = F1keycode 113 = F2keycode = F4keycode, = F5keycode = 117 Ycode 119 = F8keycode 120 = F9keycode 121 = F10keycode 122 = F11keycode 123 = F12keycode 124 = F13keycode = F14keycode 126 = F15keycode 127 = F16keycode = F17keycode 129 = F18keycode = F19keycode 131 = F20keycode = F21keycode 133 = F22keycode 134 = F23 KeyCode 135 = F24keycode 136 = Num_lockkeycode 137 = Scroll_lockkeycode 187 = Acute Gravekeycode 188 = comma SEMICOLONKEYC Ode 189 = minus Underscorekeycode = period Colonkeycode 192 = numbersign Apostrophekeycode = Plusminus hyphen MACR Onkeycode 211 =keycode 212 = Copyright Registeredkeycode 213 = guillemotleft Guillemotrightkeycode 214 = masculine Ordfemi Ninekeycode 215 = ae Aekeycode 216 = cent Yenkeycode 217 = questiondown Exclamdownkeycode 218 = Onequarter Onehalf threequ Arterskeycode = Less greater barkeycode 221 = plus asterisk asciitildekeycode 227 = multiply Divisionkeycode 228 = ACI Rcumflex Acircumflexkeycode 229 = Ecircumflex Ecircumflexkeycode = Icircumflex Icircumflexkeycode 231 = Ocircumflex Oc Ircumflexkeycode 232 = ucircumflex ucircumflexkeycode 233 = Ntilde Ntildekeycode 234 = yacute Yacutekeycode 235 = oslash Oobliquekeycode 236 = Ari ng Aringkeycode 237 = Ccedilla Ccedillakeycode 238 = Thorn Thornkeycode 239 = eth Ethkeycode = diaeresis cedilla Curre Ncykeycode 241 = Agrave Agrave atilde atildekeycode 242 = egrave Egravekeycode 243 = igrave Igravekeycode 244 = Ograve Ogr Ave Otilde Otildekeycode 245 = ugrave Ugravekeycode 246 = adiaeresis Adiaeresiskeycode 247 = ediaeresis Ediaeresiskeycode 248 = idiaeresis Idiaeresiskeycode 249 = odiaeresis Odiaeresiskeycode = udiaeresis Udiaeresiskeycode 251 = Ssharp ques tion Backslashkeycode 252 = asciicircum Degreekeycode 253 = 3 Sterlingkeycode 254 = Mode_switch Use the KeyCode property of the event object to determine the input key value E G:if (event.keycode==13) {var iekey=event.keycode;//gets the key value, the digital form of the
var realkey=string.fromcharcode (Iekey)//Converts the key value in digital form to the real key alert (Realkey);} Key value corresponds to table a 0X65 U 0x85b 0X66 V 0x86c 0X67 W 0x87d 0X68 X 0x88e 0X69 Y 0x89f 0X70 Z 0x90g 0X71 0 0X 　　48H 0X72 1 0x49i 0x73 2 0x50j 0X74 3 0x51k 0x75 4 0x52l 0X76 5 0x53m 0X77 6 0x54n 0X78 7 0x55o 0X79 8 0x56p 0X80 9 0x57q 0X81 ESC 0x1br 0X82 CTRL 0x11s 0X83 SHIFT 0x10t 0X84 ENTER 0XD If you want to use a composite key, you can take advantage of the event . ctrlkey,event.shiftkey,event. Altkey to determine if the CTRL, SHIFT, and ALT keys are pressed

JS Judging keyboard keys