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) = Control_lkeycode = Al T_lkeycode = Pausekeycode = Caps_lockkeycode = Escape Escapekeycode = Space Spacekeycode = Priorkeycode 34 = Nextkeycode = Endkeycode = Homekeycode PNs = Leftkeycode (upkeycode) = Rightkeycode = Downkeycode = Sel Ectkeycode = Printkeycode = Executekeycode = Insertkeycode + = Deletekeycode = Helpkeycode = 0 equal brace Rightkeycode = 1 Exclam onesuperiorkeycode = 2 Quotedbl twosuperiorkeycode Wuyi = 3 section Threesuperiorkeycode 52 = 4 Dollarkeycode = 5 Percentkeycode = 6 Ampersandkeycode = 7 Slash braceleftkeycode 8 Parenleft Bracketleftke Ycode = 9 Parenright BracketriGhtkeycode = a Akeycode = b Bkeycode = c Ckeycode = d Dkeycode = e e Eurosignkeycode = f Fkeycode = g Gkeycode = h Hkeycode = i ikeycode = J Jkeycode = k Kkeycode = L Lkeycode * = m M mukeycode = n Nkeyco De + = o okeycode = p Pkeycode bayi = q Q atkeycode = R Rkeycode = s Skeycode p = t tkeycode = u ukeycode 86 = V Vkeycode = 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_7keycode 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_Di Vide Kp_dividekeycode F2keycode = F1keycode 113 = F3keycode (F4keycode) = F5keycode (= 117) = 118 = F7keycode 119 = F8KEYCOde = F9keycode 121 = F10keycode 122 = F11keycode 123 = F12keycode 124 = F13keycode = F14keycode 126 = F15keycode 127 = F16keycode = F17keycode 129 = F18keycode = F19keycode 131 = F20keycode = F21keycode 133 = F22keycode 134 = F23keycode 135 = F24keycode 136 = Num_lockkeycode 137 = Scroll_lockkeycode 187 = Acute Gravekeycode 188 = comma Semicol Onkeycode 189 = minus Underscorekeycode = period Colonkeycode 192 = numbersign Apostrophekeycode = Plusminus Hyphe N Macronkeycode 211 =keycode 212 = Copyright Registeredkeycode 213 = guillemotleft Guillemotrightkeycode 214 = masculine O Rdfemininekeycode 215 = ae Aekeycode 216 = cent Yenkeycode 217 = questiondown Exclamdownkeycode 218 = onequarter Onehalf t Hreequarterskeycode = Less greater barkeycode 221 = plus asterisk asciitildekeycode 227 = multiply Divisionkeycode 228 = Acircumflex Acircumflexkeycode 229 = Ecircumflex Ecircumflexkeycode = Icircumflex Icircumflexkeycode 231 = ocircumf Lex Ocircumflexkeycode 2Ucircumflex Ucircumflexkeycode 233 = Ntilde Ntildekeycode 234 = yacute Yacutekeycode 235 = Oslash Oobliquekeycode 236 = aring Aringkeycode 237 = Ccedilla Ccedillakeycode 238 = Thorn Thornkeycode 239 = eth Ethkeycode = diaeresis cedilla currencykeycode 241 = agrave Agrave atilde Atildekeycode 242 = egrave Egravekeycode 243 = igrave Igravekeycode 244 = ogra ve ograve otilde otildekeycode 245 = ugrave Ugravekeycode 246 = adiaeresis Adiaeresiskeycode 247 = ediaeresis Ediaeresiske Ycode 248 = idiaeresis Idiaeresiskeycode 249 = odiaeresis Odiaeresiskeycode = udiaeresis Udiaeresiskeycode 251 = Sshar P question Backslashkeycode 252 = asciicircum Degreekeycode 253 = 3 Sterlingkeycode 254 = Mode_switch Use the KeyCode property of the event object to determine The input key value Eg:if (event.keycode==13) {var iekey=event.keycode;//gets the key value, the numeric 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
Web JS Judging keyboard departure Events
