Tip: you can modify some code before running
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8" /><title>Untitled Document</title><script language="javascript" type="text/javascript">/* ---------------------------------------------------------- The system shortcut key is not blocked. In Safari, if you press the system shortcut key, it will not respond to the custom program. CTRL + S is not a shortcut for safari. You can view ctrl + s to respond, ctrl + a, ctrl + d, and so on. ------------------------------------------------------- */Function Browser () {var d _ = document, n _ = navigator, t _ = this, s _ = screen; var B = n _. appName; var ua = n _. userAgent. toLowerCase (); t _. name = "Unknow"; t _. safari = ua. indexOf ("safari")>-1; // always check for safari & opera t _. opera = ua. indexOf ("opera")>-1; // before ns or ie t _. firefox =! T _. safari & ua. indexOf ('Firefox ')>-1; // check for gecko engine t _. ns =! T _. firefox &&! T _. opera &&! T _. safari & (B = "Netscape"); t _. ie =! T _. opera & (B = "Microsoft Internet Explorer"); t _. name = (t _. ie? "IE": (t _. firefox? "Firefox": (t _. ns? "Netscape": (t _. opera? "Opera": (t _. safari? "Safari": "Unknow");} function JShortCut () {var self; var map ={}; var brw = new Browser (); this. bind = function (SC, func, doSysSc) {map [SC] = func; if (doSysSc = false) map [SC]. doSysShortCut = false;} this. unBind = function (SC) {delete map [SC];} this. listen = function (elm) {if (typeof elm = "string") elm = document. getElementById (elm); if (elm. addEventListener) {// Safari, opera, firefox elm. AddEventListener ("keydown", dispatch, false); elm. addEventListener ("keypress", dispatch, false);} else if (elm. attachEvent) {// IE elm. attachEvent ("onkeydown", dispatch); elm. attachEvent ("onkeypress", dispatch);} else {elm. onkeydown = element. onkeypress = dispatch;} var dispatch = function (evt) {evt = evt | event; if (evt. type = "keydown") {var code = evt. keyCode; if (code = 16 | code = 17 | code = 18) return; keyname = JShortCut. KEYS [code]; var modifiers = ""; if (! Keyname & (evt. altKey | evt. ctrlKey) keyname = Keymap. keyCodeToPrintableChar [code]; if (keyname) {if (evt. altKey) modifiers + = "alt _"; if (evt. ctrlKey) modifiers + = "ctrl _"; if (evt. shiftKey) modifiers + = "shift _";} else {return ;}} else if (evt. type = "keypress") {if (evt. altKey | evt. ctrlKey) return; if (evt. charCode! = Undefined & evt. charCode = 0) return; var code = evt. charCode | evt. keyCode; keyname = String. fromCharCode (code); var lowercase = keyname. toLowerCase (); if (keyname! = Lowercase) {keyname = lowercase; // Use the lowercase form of the name modifiers = "shift _"; // and add the shift modifier .}} var export cut = modifiers + keyname; var target = evt. srcElement | evt.tar get; var func = map [shortCut]; if (typeof func = "function") {func (target, shortCut, evt); if (func. doSysShortCut = false) {switch (brw. name) {case "IE": evt. returnValue = false; evt. keyCode = 0; break; case "Firefox": evt. preventDefault (); break; case "Opera": evt. returnValue = false; evt. preventDefault (); break; case "Safari": evt. preventDefault (); evt. returnValue = false; // for (o in evt) // document. write (o, "", typeof (eval ("evt. "+ o)," = ", eval (" evt. "+ o ),"<br />") ;}}// Return false ;}} JShortCut. KEYS = {48: "0", 49: "1", 50: "2", 51: "3", 52: "4", 53: "5 ", 54: "6", 55: "7", 56: "8", 57: "9", 59: ";", 61: "=", 65: "a", 66: "B", 67: "c", 68: "d", 69: "e", 70: "f", 71: "g ", 72: "h", 73: "I", 74: "j", 75: "k", 76: "l", 77: "m", 78: "n", 79: "o", 80: "p", 81: "q", 82: "r", 83: "s", 84: "t ", 85: "u", 86: "v", 87: "w", 88: "x", 89: "y", 90: "z", 107: "+", 109: "-", 110 :". ", 188:", ", 190 :". ", 191:"/", 192:" '", 219:" [", 220:" \ ", 221:"] ", 222 :"\"", 8: "backspace", 9: "tab", 13: "return", 19: "pause", 27: "escape", 32: "space", 33: "pageup", 34: "pagedown", 35: "end", 36: "home", 37: "left", 38: "up", 39: "right ", 40: "down", 44: "printscreen", 45: "insert", 46: "delete", 112: "f1", 113: "f2", 114: "f3", 115: "f4", 116: "f5", 117: "f6", 118: "f7", 119: "f8", 120: "f9 ", 121: "f10", 122: "f11", 123: "f12", 144: "numlock", 145: "scrolllock "};</script></head><body><div id="aa"></div><p>In Opera, system shortcuts are not blocked.<br />In Safari, if you press the system shortcut key, it will not respond to the custom program.<br />CTRL + S is not a shortcut for safari. You can view ctrl + s to respond, ctrl + a, ctrl + d, and so on.</p><p>Function doSys (target, shortCut, evt ){<br />Document. getElementById ("aa"). innerHTML = shortCut;<br /> }</p><p>Var SC = new JShortCut ();<br />SC. bind ("ctrl_a", doSys, false );<br />SC. bind ("ctrl_n", doSys, false );<br />SC. bind ("ctrl_p", doSys, false );<br />SC. bind ("ctrl_o", doSys, false );<br />SC. bind ("ctrl_s", doSys, false );<br />SC. bind ("ctrl_w", doSys, false );<br />SC. bind ("alt_f4", doSys, false );<br />SC. bind ("ctrl_f", doSys, false );<br />SC. bind ("ctrl_y", doSys, false );<br />SC. bind ("f1", doSys, false );<br />SC. bind ("f5", doSys, false );<br />SC. bind ("a", doSys );<br />SC. listen (document );</p></body></html><script language="javascript" type="text/javascript">Function doSys (target, shortCut, evt) {document. getElementById ("aa "). innerHTML = shortCut;} var SC = new JShortCut (); SC. bind ("ctrl_a", doSys, false); SC. bind ("ctrl_n", doSys, false); SC. bind ("ctrl_p", doSys, false); SC. bind ("ctrl_o", doSys, false); SC. bind ("ctrl_s", doSys, false); SC. bind ("ctrl_w", doSys, false); SC. bind ("alt_f4", doSys, false); SC. bind ("ctrl_f", doSys, false); SC. bind ("ctrl_y", doSys, false); SC. bind ("f1", doSys, false); SC. bind ("f5", doSys, false); SC. bind ("a", doSys); SC. listen (document );</script>
Tip: you can modify some code before running
