event.keyCode|| event.which

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HTML

用户名:<input type="text" id="UserAccount" onKeyPress="JumpByEnter(UserPwd)" />

密码:<input name="UserPwd" type="password" onKeyPress="IsEnterKeyPress()">

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 = (navigator.appname=="Netscape")?event.which:window.event.keyCode; //event.keyCode按的建的代码,13表示回车
     if ( lKeyCode == 13 ){

    NextElement.focus();
     }

function IsEnterKeyPress(){
     var lKeyCode = (navigator.appname=="Netscape")?event.which:event.keyCode;
     if ( lKeyCode == 13 ){
       Login();
     }
     else
       return false;
   }

irfirefox2.0中不支持 window.event.keyCode,

但是我们可以用event.which代替。但是为了使其能更具有普遍的兼容性,最好用event.keyCode|| event.which.

Keycode对照表
字母和数字键的键码值(keyCode)按键键码按键键码按键键码按键键码A65J74S83149B66K75T84250C67L76U85351D68M77V86452E69N78W87553F70O79X88654G71P80Y89755H72Q81Z90856I73R82048957

  

数字键盘上的键的键码值(keyCode)功能键键码值(keyCode)按键键码按键键码按键键码按键键码0968104F1112F71181979105F2113F8119298*106F3114F9120399+107F4115F101214100Enter108F5116F111225101-109F6117F121236102.110    7103/111    

  

控制键键码值(keyCode)按键键码按键键码按键键码按键键码BackSpace8Esc27Right Arrow39-_189Tab9Spacebar32Dw Arrow40.>190Clear12Page Up33Insert45/?191Enter13Page Down34Delete46`~192Shift16End35Num Lock144[{219Control17Home36;:186\|220Alt18Left Arrow37=+187]}221Cape Lock20Up Arrow38,<188'"222

多媒体键码值(keyCode)按键键码按键键码按键键码按键键码音量加175      音量减174      停止179      静音173      浏览器172      邮件180      搜索170      收藏171 

出处:http://www.cnblogs.com/hsapphire/archive/2009/12/16/1625642.html

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