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,…

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…

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

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

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…

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 ?…

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 =…

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…

  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();…