所有keyCode,以备不时只需

本文详细列举了标准键盘按键对应的按键代码,并提供了一个简单的JavaScript示例来演示如何使用窗口事件监听器来处理按键事件。这对于理解键盘输入在前端应用中的作用方式非常有用。

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keycode   8 = BackSpace BackSpace
keycode   9 = Tab Tab
keycode  12 = Clear
keycode  13 = Enter
keycode  16 = Shift_L
keycode  17 = Control_L
keycode  18 = Alt_L
keycode  19 = Pause
keycode  20 = Caps_Lock
keycode  27 = Escape Escape
keycode  32 = space space
keycode  33 = Prior
keycode  34 = Next
keycode  35 = End
keycode  36 = Home
keycode  37 = Left
keycode  38 = Up
keycode  39 = Right
keycode  40 = Down
keycode  41 = Select
keycode  42 = Print
keycode  43 = Execute
keycode  45 = Insert
keycode  46 = Delete
keycode  47 = Help
keycode  48 = 0 equal braceright
keycode  49 = 1 exclam onesuperior
keycode  50 = 2 quotedbl twosuperior
keycode  51 = 3 section threesuperior
keycode  52 = 4 dollar
keycode  53 = 5 percent
keycode  54 = 6 ampersand
keycode  55 = 7 slash braceleft
keycode  56 = 8 parenleft bracketleft
keycode  57 = 9 parenright bracketright
keycode  65 = a A
keycode  66 = b B
keycode  67 = c C
keycode  68 = d D
keycode  69 = e E EuroSign
keycode  70 = f F
keycode  71 = g G
keycode  72 = h H
keycode  73 = i I
keycode  74 = j J
keycode  75 = k K
keycode  76 = l L
keycode  77 = m M mu
keycode  78 = n N
keycode  79 = o O
keycode  80 = p P
keycode  81 = q Q at
keycode  82 = r R
keycode  83 = s S
keycode  84 = t T
keycode  85 = u U
keycode  86 = v V
keycode  87 = w W
keycode  88 = x X
keycode  89 = y Y
keycode  90 = z Z
keycode  96 = KP_0 KP_0
keycode  97 = KP_1 KP_1
keycode  98 = KP_2 KP_2
keycode  99 = KP_3 KP_3
keycode 100 = KP_4 KP_4
keycode 101 = KP_5 KP_5
keycode 102 = KP_6 KP_6
keycode 103 = KP_7 KP_7
keycode 104 = KP_8 KP_8
keycode 105 = KP_9 KP_9
keycode 106 = KP_Multiply KP_Multiply
keycode 107 = KP_Add KP_Add
keycode 108 = KP_Separator KP_Separator
keycode 109 = KP_Subtract KP_Subtract
keycode 110 = KP_Decimal KP_Decimal
keycode 111 = KP_Divide KP_Divide
keycode 112 = F1
keycode 113 = F2
keycode 114 = F3
keycode 115 = F4
keycode 116 = F5
keycode 117 = F6
keycode 118 = F7
keycode 119 = F8
keycode 120 = F9
keycode 121 = F10
keycode 122 = F11
keycode 123 = F12
keycode 124 = F13
keycode 125 = F14
keycode 126 = F15
keycode 127 = F16
keycode 128 = F17
keycode 129 = F18
keycode 130 = F19
keycode 131 = F20
keycode 132 = F21
keycode 133 = F22
keycode 134 = F23
keycode 135 = F24
keycode 136 = Num_Lock
keycode 137 = Scroll_Lock
keycode 187 = acute grave
keycode 188 = comma semicolon
keycode 189 = minus underscore
keycode 190 = period colon
keycode 192 = numbersign apostrophe
keycode 210 = plusminus hyphen macron
keycode 211 =
keycode 212 = copyright registered
keycode 213 = guillemotleft guillemotright
keycode 214 = masculine ordfeminine
keycode 215 = ae AE
keycode 216 = cent yen
keycode 217 = questiondown exclamdown
keycode 218 = onequarter onehalf threequarters
keycode 220 = less greater bar
keycode 221 = plus asterisk asciitilde
keycode 227 = multiply division
keycode 228 = acircumflex Acircumflex
keycode 229 = ecircumflex Ecircumflex
keycode 230 = icircumflex Icircumflex
keycode 231 = ocircumflex Ocircumflex
keycode 232 = ucircumflex Ucircumflex
keycode 233 = ntilde Ntilde
keycode 234 = yacute Yacute
keycode 235 = oslash Ooblique
keycode 236 = aring Aring
keycode 237 = ccedilla Ccedilla
keycode 238 = thorn THORN
keycode 239 = eth ETH
keycode 240 = diaeresis cedilla currency
keycode 241 = agrave Agrave atilde Atilde
keycode 242 = egrave Egrave
keycode 243 = igrave Igrave
keycode 244 = ograve Ograve otilde Otilde
keycode 245 = ugrave Ugrave
keycode 246 = adiaeresis Adiaeresis
keycode 247 = ediaeresis Ediaeresis
keycode 248 = idiaeresis Idiaeresis
keycode 249 = odiaeresis Odiaeresis
keycode 250 = udiaeresis Udiaeresis
keycode 251 = ssharp question backslash
keycode 252 = asciicircum degree
keycode 253 = 3 sterling
keycode 254 = Mode_switch

js简单示例:

if   ((window.event.ctrlKey) && (window.event.keyCode == 13)) {

    //... 处理内容

    //alert("按下了CTRL+ENTER键");

}

从以上例子可以看出

Shift、Control、Alt 在JS中可用

“window.event.shiftKey”、“window.event.ctrlKey”、“window.event.altKey” 代替


### JavaScript 键盘事件与 Keycode 对应表 在 JavaScript 中,当用户交互涉及键盘输入时,会产生特定类型的事件。这些事件允许开发者捕获用户的按键动作并作出响应。对于每一个被按下的键,都有一个唯一的数值表示其身份——即所谓的 `keyCode` 或者更现代的标准 `key` 和 `code` 属性[^1]。 #### 传统方式获取 KeyCode (已废弃) 在过去版本的浏览器中,通常通过访问 `event.keyCode` 或者 `event.which` 来得到按键对应的 Unicode 数字值。然而需要注意的是,在最新的标准里推荐使用 `KeyboardEvent.key` 及 `KeyboardEvent.code` 替代旧有的方法来识别具体的按键[^2]。 尽管如此,为了兼容性和历史原因,这里仍然提供一份常见的 keyCode 映射列表: | 按键名称 | KeyCode | | --- | --- | | Backspace | 8 | | Tab | 9 | | Enter | 13 | | Shift | 16 | | Ctrl | 17 | | Alt | 18 | | Pause/Break | 19 | | Caps Lock | 20 | | Esc | 27 | | Spacebar | 32 | | Page Up | 33 | | Page Down | 34 | | End | 35 | | Home | 36 | | Left Arrow | 37 | | Up Arrow | 38 | | Right Arrow | 39 | | Down Arrow | 40 | | Insert | 45 | | Delete | 46 | 以上表格仅列举了一部分常用的按键及其对应的 keyCode 值。完整的映射关系可以通过查阅官方文档或其他权威资源获得更多信息[^3]。 #### 使用 Modern API 获取按键信息 现在建议采用更加直观的方式去检测按键活动,比如利用 `KeyboardEvent.key` 和 `KeyboardEvent.code` 属性。这两个属性提供了更为清晰易懂的方式来描述所按下的具体字符或物理位置上的键位[^4]。 ```javascript document.addEventListener('keydown', function(event) { console.log(`Pressed key: ${event.key}, Physical location: ${event.code}`); }); ``` 这段代码会在每次按下任意键的时候打印出该次按键的信息至控制台,其中包含了人类可读的形式表达的实际按键以及它所在的硬件布局位置。
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