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JavaScript Chinese and authentication authentication program

Source: Internet
Author: User
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JavaScript tutorial Chinese and Authentication name legality verification program

<!doctype HTML PUBLIC "-//W3C//DTD XHTML 1.0 transitional//en" "Http://www.w3.org/tr/xhtml1/dtd/xhtml1-transitional.dtd" >
<html xmlns= "http://www.jzread.com/1999/xhtml" >
<head>
<meta http-equiv= "Content-type" content= "HTML; charset=gb2312 "/>
<script language= "JavaScript Tutorial" >
Name_zh

if (Document.regform.u_namecn.value = = "") {
Alert ("Hint: nn must enter Chinese name!") ");
Document.regform.u_namecn.focus ();
return false;
}
if (Checkifenglish (Document.regform.u_namecn.value)) {
Alert ("Hint: nn must enter Chinese name!") ");
Document.regform.u_namecn.focus ();
return false;
}

//Name_en
 if (Document.regform.u_nameen.value = = "") {
  alert ("Hint: nn must enter English name!") ");
  Document.regform.u_nameen.focus ();
  return false;
 }
 if (Document.regform.u_nameen.value.indexof ("") < 0) {
  alert ("Hint: there must be a space in the middle of the English name of NN!") ");
  Document.regform.u_nameen.focus ();
  return false;
 }
 if (Document.regform.u_nameen.value.indexof ("") <= 1) {
  alert ("Hint: NN English name must be empty and space cannot be first!") ");
  Document.regform.u_nameen.focus ();
  return false;
 }
 if (Document.regform.u_nameen.value.indexof ("") = = document.regform.u_nameen.value.length-1) {
  Alert ("Hint: NN English name must have spaces in between!") ");
  Document.regform.u_nameen.focus ();
  return false;
 }
</script>
</head>

<body>
<form id= "Form1" Name= "RegForm" method= "POST" action= ""
  <label>
  Chinese name:
  <input type= "text" name= "U_NAMECN"/>
  English name:
   <input type= "text" Name= " U_nameen "/>
  </label>
  <label>
  <input type=" Submit "name=" Submit " Value= "Verify"   onclick= "checkzip ();" />
  </label>
</form>
</body>
</html>

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