2014年3月10日 星期一

lab7

html>
 <head>
 </head>
 <body id="body">
  <form action="javascript:void(0);" id="exampleForm">
   <input type="password" id="examplePass" />
   <input type="submit" />
  </form>
 </body>
 <script>

 document.getElementById("exampleForm").onsubmit = function(){
 var passwordRegex = /^[A-Za-z\d]{6,8}$/;
 if(!passwordRegex.test(document.getElementById("examplePass").value)){
  console.log("Regex didn't match");
  var notify = document.getElementById("notify");
  if (notify === null ){
   notify =document.createElement("p");
   notify.textContent = "Passwords need to be between 6 and 8 charcters long and consist of uppercase characters,lowercase charcters, and digits only"
   notify.id="notify";
 
   var body = document.getElementById("body");
   body.appendChild(notify);
  }
 }
};

 </script>
</html>



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