负号的event.keyCode

JS控制键盘录入和 window.event.keycode对照

一.只允许录入整数 1.不允许录入非数字(按下字母键就会提示并清空) function intOnly() { if (!(window.event.keyCode >= 48 && window.event.keyCode <= 57 ||window.event.keyCode==13 //回车符 )) { window.event.keyCode = 0; alert("请输入整数数字!"); } } 2.和intOnly()区别:输入完成焦点离开后判

js获取键盘按下的键值event.keyCode,event.charCode,event.which的兼容性

js获取键盘按下的键值有event.keyCode,event.charCode和event.which 其中: 谷歌浏览器对event.keyCode,event.charCode和event.which都兼容. 火狐浏览器对event.keyCode部分键值有效,如上下左右键(37,38,39,40),enter键(13),PgUp(33),PgDn(34)等部分有效,对数字键,字母键无效. event.which也是部分键值有效,如字母键,数字键,enter键,Backspace键等有效,

event.keyCode ，event.which ，event.charCode (2016-12-27 16:17:16)

javascript判断是否按回车键 <input id="chatMsg" name="chatMsg" type="text" size="90" onkeypress="enterHandler(event);"/> function enterHandler(event) { //获取用户单击键盘的"键值" var keyCode = event.keyCode ?

event.keycode值大全

window.event.keycode-获取按下的键盘值 event.keycode值大全1 keycode 8 = BackSpace BackSpace 2 keycode 9 = Tab Tab 3 keycode 12 = Clear 4 keycode 13 = Enter 5 keycode 16 = Shift_L 6 keycode 17 = Control_L 7 keycode 18 = Alt_L 8 keycode 19 = Pause 9 keycode 20 =

event.keycode大全(javascript)

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 key

js中event.keyCode用法及keyCode对照表

HTML 用户名:<input type="text" id="UserAccount" onKeyPress="JumpByEnter(UserPwd)" /> 密码:<input name="UserPwd" type="password" onKeyPress="IsEnterKeyPress()"> JavaScript: JumpByEnter(User

event.keyCode|| event.which.的用法

HTML 用户名:<input type="text" id="UserAccount" onKeyPress="JumpByEnter(UserPwd)" /> 密码:<input name="UserPwd" type="password" onKeyPress="IsEnterKeyPress()"> JavaScript: JumpByEnter(User

js防止回车(enter)键提交表单及javascript中event.keycode

如何防止回车(enter)键提交表单,其实很简单,就一句话.onkeydown="if(event.keyCode==13)return false;"把这句写在from标签里面就好了. 如果在页面中按Enter键会自动提交的话,可以设置返回值防止自动提交如<input id="q" name="q" type="text" onkeypress="javascript:return gosearch();

JavaScript 键盘event.keyCode值列表大全

JavaScript 键盘event.keyCode值列表大全 event.keyCode值列表大全,对于需要根据键盘按键触发相应事件的朋友需要. 网上收集的KeyCode值方便大家查找: 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_

Window.Event.KeyCode=13

Window.Event.KeyCode=13是enter键处发windows事件,enter键的ASCII是13. <input type="password" name="login_password" id="login_password" class="form-control" placeholder="请输入密码" onkeydown="javascript:if (event.

javascript中event.keycode大全

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

JS键盘的键码(event.keyCode)

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 key

JS中event.keyCode用法及keyCode对…

js中event.keyCode用法及keyCode对照表标签: javascriptJavaScriptJavascriptjavaScript 2012-12-11 15:11 HTML JavaScript: JumpByEnter(UserPwd) 函数功能:输入完用户名按回车,焦点转向密码输入框 IsEnterKeyPress()功能:输入完密码并按回车,则登录 function JumpByEnter(NextElement){ var lKeyCode = (navig

event.keyCode用法及列表

HTML 用户名:<input type="text" id="UserAccount" onKeyPress="JumpByEnter(UserPwd)" /> 密码:<input name="UserPwd" type="password" onKeyPress="IsEnterKeyPress()"> JavaScript: JumpByEnter(User

event.keyCode与event.which

//Netscape/Firefox/Opera中不支持 window.event.keyCode,需要用event.which代替//IE用event.keCode方法获取当前被按下的键盘按键值,//而NetScape/FireFox/Opera用的则是event.which 例: <html><body> <script type="text/javascript"> function noNumbers(e){ var keynumva

记录JavaScript中使用keyup事件做输入验证（附event.keyCode表）

input的blur事件 $("#input-name").blur(function () { var value = $(this).val(); if (value === '') { return; } if (/^[\u4e00-\u9fa5]{1,3}$/.test(value)) { $(this).removeClass("error-class"); } else { $(this).addClass("error-class"

js中获取event keycode的兼容办法

window.onkeypress=function(e){ var event = e || window.event, //在ff下event会做为参数传进来,ie下会在window下 keyCode = event.which || event.keyCode, //e.which是ff下获取keyCode的方式,ie下使用e.keyCode获取 charCode = event.charCode; }

Javascript中的window.event.keyCode使用介绍

<body onkeydown=" alert(window.event.keyCode)"> <body onkeydown="if(window.event.keyCode==13){ window.event.keyCode=9}"> keycode 8 = BackSpace BackSpace keycode 9 = Tab Tab keycode 12 = Clear keycode 13 = Enter keycode 16 =

window.event.keycode值大全

window.event.keycode值大全 event.keycode值大全 1 keycode 8 = BackSpace BackSpace 2 keycode 9 = Tab Tab 3 keycode 12 = Clear 4 keycode 13 = Enter 5 keycode 16 = Shift_L 6 keycode 17 = Control_L 7 keycode 18 = Alt_L 8 keycode 19 = Pause 9 keycode 20 = Caps_L

event.keyCode 事件属性

转自:http://www.runoob.com/jsref/event-key-keycode.html <!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>菜鸟教程(runoob.com)</title> </head> <body> <p>在输入框中输入键盘上的字符获取按下字母的 Unicode 字符代码.

负号的event.keyCode

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