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ǰÓжà¸öJavaScriptº¯Êý 
ºóÃæÌá½»¿É <form name="" action="" method="" onsubmit="return isPostalCode();return isID();return isEmail() "

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JScript code:

function isPostalCode(){
//Èç¹ûÑé֤ͨ¹ý
return true;
else return false
}
//ÆäËûÁ½¸öͬÀí
È»ºó
function allCheck(){
if(isPostalCode()&&isID()&&isEmail()) return true
else return false
}


HTML code:

<form name="" action="" method="" onsubmit="return allCheck()">




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JScript code:

function checkform(){
if(isPostalCode())
{
if(isID())
{
if(!isEmail()){return fales;}
}
else{return false;}
}
else{return false;}
}



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