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按键测试，支持像Ctrl+Alt+Shift+T的组合键_javascript技巧

时间：2021-07-01 10:21:17 帮助过：12人阅读

<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:如需引入外部Js需刷新才能执行]

按键测试，支持像Ctrl+Alt+Shift+T的组合键_javascript技巧

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