javascript

Keyboard and Chinese input are not allowed but can be clicked

The net found a lot of, not practical, not compatible problem, this can! < Input> Forbidden keyboard and Chinese input, but can not use readonly and also need to be compatible with ie and ff, in order to complete this function took a lot of work, ha ha, in this record for future use; Onpaste =“return false”

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">   
<HTML>   
 <HEAD>   
  <TITLE> New Document </TITLE>   
  <script>   
  //Style ="ime-mode:disabled" disables Chinese input & assistance;      
function noPermitInput(e){      
       var evt = window.event || e ;    
        if(isIE()){    
            evt.returnValue=false; //Ie prohibits keyboarding & NBSP;      
        }else{    
            evt.preventDefault(); //Fire fox forbids keyboarding & NBSP;      
        }       
}    
function isIE() {    
    if (window.navigator.userAgent.toLowerCase().indexOf("msie") >= 1)    
        return true;    
    else    
        return false;    
}     
  </script>   
 </HEAD>   
 <BODY>   
   Keyboard key input and Chinese input are prohibited     
  <input type="text" value=""   style="ime-mode:disabled" onkeypress="noPermitInput(event)" >   
 </BODY>   
</HTML>