键盘各键对应的编码值(key code)
document.onkeydown=function(event){
var e = event || window.event || arguments.callee.caller.arguments[0];
console.log(e.keyCode);
};
可以自己使用上面的方法自己一个一个测试验证获取键盘对应的code
| KEY值 | CODE值 |
| backspace | 8 |
| tab | 9 |
| enter | 13 |
| shift | 16 |
| ctrl | 17 |
| alt | 18 |
| pause/break | 19 |
| caps lock | 20 |
| escape | 27 |
| 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 |
| f1 | 112 |
| f2 | 113 |
| f3 | 114 |
| f4 | 115 |
| f5 | 116 |
| f6 | 117 |
| f7 | 118 |
| f8 | 119 |
| f9 | 120 |
| f10 | 121 |
| f11 | 122 |
| f12 | 123 |
数字对应的code
| KEY值 | CODE值 |
| 0 | 48 |
| 1 | 49 |
| 2 | 50 |
| 3 | 51 |
| 4 | 52 |
| 5 | 53 |
| 6 | 54 |
| 7 | 55 |
| 8 | 56 |
| 9 | 57 |
字母对应的code
| KEY值 | CODE值 |
| a | 65 |
| b | 66 |
| c | 67 |
| d | 68 |
| e | 69 |
| f | 70 |
| g | 71 |
| h | 72 |
| i | 73 |
| j | 74 |
| k | 75 |
| l | 76 |
| m | 77 |
| n | 78 |
| o | 79 |
| p | 80 |
| q | 81 |
| r | 82 |
| s | 83 |
| t | 84 |
| u | 85 |
| v | 86 |
| w | 87 |
| x | 88 |
| y | 89 |
| z | 90 |

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