按键测试，支持像 Ctrl+Alt+Shift+T 的组合键

<html> <head> </head> <body onkeyup="window.alert(showKeyName(event))"> 按键测试，支持像 Ctrl+Alt+Shift+T 的组合键（注：非浏览器热键） <script type="text/javascript"> function showKeyName(e) {     var keyName;     switch(e.keyCode)     {         case 8:keyName = "[退格]";break;         case 9:keyName = "[Tab]";break;         case 13:keyName = "[Enter]";break;         case 16:keyName = "[Shift]";break;         case 17:keyName = "[Ctrl]";break;         case 18:keyName = "[Alt]";break;         case 19:keyName = "[PauseBreak]";break;         case 20:keyName = "[Caps Lock]";break;         case 27:keyName = "[Esc]";break;         case 32:keyName = "[空格]";break;         case 33:keyName = "[PageUp]";break;         case 34:keyName = "[PageDown]";break;         case 35:keyName = "[End]";break;         case 36:keyName = "[Home]";break;         case 37:keyName = "[方向键左]";break;         case 38:keyName = "[方向键上]";break;         case 39:keyName = "[方向键右]";break;         case 40:keyName = "[方向键下]";break;         case 45:keyName = "[Insert]";break;         case 46:keyName = "[Delete]";break;         case 91:keyName = "[左Win]";break;         case 92:keyName = "[右Win]";break;         case 93:keyName = "[快捷菜单键]";break;         case 95:keyName = "[Sleep]";break;         case 96:keyName = "[小键盘区0]";break;         case 97:keyName = "[小键盘区1]";break;         case 98:keyName = "[小键盘区2]";break;         case 99:keyName = "[小键盘区3]";break;         case 100:keyName = "[小键盘区4]";break;         case 101:keyName = "[小键盘区5]";break;         case 102:keyName = "[小键盘区6]";break;         case 103:keyName = "[小键盘区7]";break;         case 104:keyName = "[小键盘区8]";break;         case 105:keyName = "[小键盘区9]";break;         case 106:keyName = "[*]";break;         case 107:keyName = "[+]";break;         case 109:keyName = "[-]";break;         case 110:keyName = "[.]";break;         case 111:keyName = "[/]";break;         case 112:keyName = "[F1]";break;         case 113:keyName = "[F2]";break;         case 114:keyName = "[F3]";break;         case 115:keyName = "[F4]";break;         case 116:keyName = "[F5]";break;         case 117:keyName = "[F6]";break;         case 118:keyName = "[F7]";break;         case 119:keyName = "[F8]";break;         case 120:keyName = "[F9]";break;         case 121:keyName = "[F10]";break;         case 122:keyName = "[F11]";break;         case 123:keyName = "[F12]";break;         case 144:keyName = "[NumLock]";break;         case 145:keyName = "[ScrollLock]";break;         case 186:keyName = "[;]";break;         case 187:keyName = "[=]";break;         case 188:keyName = "[,]";break;         case 189:keyName = "[-]";break;         case 190:keyName = "[.]";break;         case 191:keyName = "[/]";break;         case 192:keyName = "[`]";break;         case 219:keyName = "[[]";break;         case 220:keyName = "[\\]";break;         case 221:keyName = "[]]";break;         case 222:keyName = "[']";break;         //case 255:keyName = "[Power]";break;  //奇怪，怎么[Power]键和[Wake]键键值是一样的？         case 255:keyName = "[Wake]";break;         default:keyName = "[" + String.fromCharCode(e.keyCode) + "]";break;     }     if((e.shiftKey)&&(e.keyCode!=16)){keyName = "[Shift] + " + keyName;}     if((e.altKey)&&(e.keyCode!=18)){keyName = "[Alt] + " + keyName;}     if((e.ctrlKey)&&(e.keyCode!=17)){keyName = "[Ctrl] + " + keyName;}     return keyName; } </script> </body> </html>

[Ctrl+A 全选注:引入外部Js需再刷新一下页面才能执行]

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按键测试，支持像 Ctrl+Alt+Shift+T 的组合键

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