JS兼容各种浏览器的回车事件监控

最新推荐文章于 2023-01-06 18:08:26 发布

最新推荐文章于 2023-01-06 18:08:26 发布 · 108 阅读

本文介绍了一种JavaScript实现的回车键事件处理方法，该方法可以兼容多种浏览器，并提供了完整的 keyCode 对照表，便于开发者理解和使用。

<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />  
<title>JS获取回车时间（兼容各浏览器）</title>  
</head>  
<body>  
    <input onkeydown="enter()" type="text"  />  
    <input onclick="query()" type="button" value="提交"/>
<script>  
 function enter(){  
      var event=arguments.callee.caller.arguments[0]||window.event;//消除浏览器差异  
     if (event.keyCode == 13){  
        queryAward();  
     }  
 }  
 function query(){  
     alert('query');  
 }  
</script>  
</body>  
</html>

附录：keycode的意义

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    553 = 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